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Finding the Third Proportional to 109,459,998 and 237,972,654

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Solution

The third proportional to 109,459,998 and 237,972,654 is: 517,366,938.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,459,998 : 237,972,654 = 237,972,654 : x
  2. Step 2: Convert to fraction form
    109,459,998/237,972,654 = 237,972,654/x
  3. Step 3: Cross multiply
    109,459,998x = 237,972,654 × 237,972,654
  4. Step 4: Simplify right side
    109,459,998x = 56,630,984,051,803,712
  5. Step 5: Solve for x
    x = 56,630,984,051,803,712/109,459,998
  6. Step 6: Final answer
    x = 517,366,938.48

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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.