Home / 72,420,751.13-155,196,399.38

Finding the Third Proportional to 72,420,751.13 and 155,196,399.38

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Solution

The third proportional to 72,420,751.13 and 155,196,399.38 is: 332,583,161.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,420,751.13 : 155,196,399.38 = 155,196,399.38 : x
  2. Step 2: Convert to fraction form
    72,420,751.13/155,196,399.38 = 155,196,399.38/x
  3. Step 3: Cross multiply
    72,420,751.13x = 155,196,399.38 × 155,196,399.38
  4. Step 4: Simplify right side
    72,420,751.13x = 24,085,922,378,964,500
  5. Step 5: Solve for x
    x = 24,085,922,378,964,500/72,420,751.13
  6. Step 6: Final answer
    x = 332,583,161.66

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.