Home / 142,330-306,652

Finding the Third Proportional to 142,330 and 306,652

Calculator

Solution

The third proportional to 142,330 and 306,652 is: 660,686.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,330 : 306,652 = 306,652 : x
  2. Step 2: Convert to fraction form
    142,330/306,652 = 306,652/x
  3. Step 3: Cross multiply
    142,330x = 306,652 × 306,652
  4. Step 4: Simplify right side
    142,330x = 94,035,449,104
  5. Step 5: Solve for x
    x = 94,035,449,104/142,330
  6. Step 6: Final answer
    x = 660,686.08

Related Problems

Find third proportional to 71,165 and 153,326
Half scale
Find third proportional to 284,660 and 613,304
Double scale
Find third proportional to 142,332 and 306,656
Similar ratio
Find third proportional to 213,495 and 459,978
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.