Home / 19,140-39,132

Finding the Third Proportional to 19,140 and 39,132

Calculator

Solution

The third proportional to 19,140 and 39,132 is: 80,005.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,140 : 39,132 = 39,132 : x
  2. Step 2: Convert to fraction form
    19,140/39,132 = 39,132/x
  3. Step 3: Cross multiply
    19,140x = 39,132 × 39,132
  4. Step 4: Simplify right side
    19,140x = 1,531,313,424
  5. Step 5: Solve for x
    x = 1,531,313,424/19,140
  6. Step 6: Final answer
    x = 80,005.93

Related Problems

Find third proportional to 9,570 and 19,566
Half scale
Find third proportional to 38,280 and 78,264
Double scale
Find third proportional to 19,142 and 39,136
Similar ratio
Find third proportional to 28,710 and 58,698
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.