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Finding the Third Proportional to 69,081,542 and 148,924,218

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Solution

The third proportional to 69,081,542 and 148,924,218 is: 321,047,012.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,081,542 : 148,924,218 = 148,924,218 : x
  2. Step 2: Convert to fraction form
    69,081,542/148,924,218 = 148,924,218/x
  3. Step 3: Cross multiply
    69,081,542x = 148,924,218 × 148,924,218
  4. Step 4: Simplify right side
    69,081,542x = 22,178,422,706,911,524
  5. Step 5: Solve for x
    x = 22,178,422,706,911,524/69,081,542
  6. Step 6: Final answer
    x = 321,047,012.92

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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.