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Finding the Third Proportional to 131,618,763 and 285,203,673

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Solution

The third proportional to 131,618,763 and 285,203,673 is: 618,005,618.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,618,763 : 285,203,673 = 285,203,673 : x
  2. Step 2: Convert to fraction form
    131,618,763/285,203,673 = 285,203,673/x
  3. Step 3: Cross multiply
    131,618,763x = 285,203,673 × 285,203,673
  4. Step 4: Simplify right side
    131,618,763x = 81,341,135,092,690,928
  5. Step 5: Solve for x
    x = 81,341,135,092,690,928/131,618,763
  6. Step 6: Final answer
    x = 618,005,618.95

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.