Home / 145,572-318,132

Finding the Third Proportional to 145,572 and 318,132

Calculator

Solution

The third proportional to 145,572 and 318,132 is: 695,243.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,572 : 318,132 = 318,132 : x
  2. Step 2: Convert to fraction form
    145,572/318,132 = 318,132/x
  3. Step 3: Cross multiply
    145,572x = 318,132 × 318,132
  4. Step 4: Simplify right side
    145,572x = 101,207,969,424
  5. Step 5: Solve for x
    x = 101,207,969,424/145,572
  6. Step 6: Final answer
    x = 695,243.38

Related Problems

Find third proportional to 72,786 and 159,066
Half scale
Find third proportional to 291,144 and 636,264
Double scale
Find third proportional to 145,574 and 318,136
Similar ratio
Find third proportional to 218,358 and 477,198
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.