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Finding the Third Proportional to 137,872,352 and 298,721,866

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Solution

The third proportional to 137,872,352 and 298,721,866 is: 647,227,322.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,872,352 : 298,721,866 = 298,721,866 : x
  2. Step 2: Convert to fraction form
    137,872,352/298,721,866 = 298,721,866/x
  3. Step 3: Cross multiply
    137,872,352x = 298,721,866 × 298,721,866
  4. Step 4: Simplify right side
    137,872,352x = 89,234,753,226,521,952
  5. Step 5: Solve for x
    x = 89,234,753,226,521,952/137,872,352
  6. Step 6: Final answer
    x = 647,227,322.46

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