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Finding the Third Proportional to 72,623,771 and 156,724,279

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Solution

The third proportional to 72,623,771 and 156,724,279 is: 338,215,701.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,623,771 : 156,724,279 = 156,724,279 : x
  2. Step 2: Convert to fraction form
    72,623,771/156,724,279 = 156,724,279/x
  3. Step 3: Cross multiply
    72,623,771x = 156,724,279 × 156,724,279
  4. Step 4: Simplify right side
    72,623,771x = 24,562,499,628,069,840
  5. Step 5: Solve for x
    x = 24,562,499,628,069,840/72,623,771
  6. Step 6: Final answer
    x = 338,215,701.14

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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.