Home / 145,720-231,708

Finding the Third Proportional to 145,720 and 231,708

Calculator

Solution

The third proportional to 145,720 and 231,708 is: 368,436.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,720 : 231,708 = 231,708 : x
  2. Step 2: Convert to fraction form
    145,720/231,708 = 231,708/x
  3. Step 3: Cross multiply
    145,720x = 231,708 × 231,708
  4. Step 4: Simplify right side
    145,720x = 53,688,597,264
  5. Step 5: Solve for x
    x = 53,688,597,264/145,720
  6. Step 6: Final answer
    x = 368,436.71

Related Problems

Find third proportional to 72,860 and 115,854
Half scale
Find third proportional to 291,440 and 463,416
Double scale
Find third proportional to 145,722 and 231,711
Similar ratio
Find third proportional to 218,580 and 347,562
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.