JSFiddle - React, Tailwind, and code Playground

HTML

<select id="first_box">
  <option> options 1</option>
  <option> options 2</option>
  <option> options 3</option>
</select>

<select id="second_box">
  <option> options 1</option>
  <option> options 2</option>
  <option> options 3</option>
</select>

<select id="third_box">
  <option> options 1</option>
  <option> options 2</option>
  <option> options 3</option>
</select>

JavaScript

$(document).ready(function()
     {
        $("#first_box").change(function()
              {
                  var sel = $(this).val();
                 $("#second_box").val(sel);
                  $("#third_box").val(sel);
              });                      
     });