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Finding the Third Proportional to 274,612,076 and 414,471,909

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Solution

The third proportional to 274,612,076 and 414,471,909 is: 625,562,305.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,612,076 : 414,471,909 = 414,471,909 : x
  2. Step 2: Convert to fraction form
    274,612,076/414,471,909 = 414,471,909/x
  3. Step 3: Cross multiply
    274,612,076x = 414,471,909 × 414,471,909
  4. Step 4: Simplify right side
    274,612,076x = 171,786,963,350,104,288
  5. Step 5: Solve for x
    x = 171,786,963,350,104,288/274,612,076
  6. Step 6: Final answer
    x = 625,562,305.39

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.