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Finding the Third Proportional to 79,442,228 and 171,057,769

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Solution

The third proportional to 79,442,228 and 171,057,769 is: 368,327,539.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,442,228 : 171,057,769 = 171,057,769 : x
  2. Step 2: Convert to fraction form
    79,442,228/171,057,769 = 171,057,769/x
  3. Step 3: Cross multiply
    79,442,228x = 171,057,769 × 171,057,769
  4. Step 4: Simplify right side
    79,442,228x = 29,260,760,335,257,360
  5. Step 5: Solve for x
    x = 29,260,760,335,257,360/79,442,228
  6. Step 6: Final answer
    x = 368,327,539.04

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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.