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Finding the Third Proportional to 72,623,775 and 156,724,287

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Solution

The third proportional to 72,623,775 and 156,724,287 is: 338,215,717.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,623,775 : 156,724,287 = 156,724,287 : x
  2. Step 2: Convert to fraction form
    72,623,775/156,724,287 = 156,724,287/x
  3. Step 3: Cross multiply
    72,623,775x = 156,724,287 × 156,724,287
  4. Step 4: Simplify right side
    72,623,775x = 24,562,502,135,658,368
  5. Step 5: Solve for x
    x = 24,562,502,135,658,368/72,623,775
  6. Step 6: Final answer
    x = 338,215,717.04

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.