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Finding the Third Proportional to 81,906,880 and 179,241,344

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Solution

The third proportional to 81,906,880 and 179,241,344 is: 392,243,721.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,906,880 : 179,241,344 = 179,241,344 : x
  2. Step 2: Convert to fraction form
    81,906,880/179,241,344 = 179,241,344/x
  3. Step 3: Cross multiply
    81,906,880x = 179,241,344 × 179,241,344
  4. Step 4: Simplify right side
    81,906,880x = 32,127,459,398,926,336
  5. Step 5: Solve for x
    x = 32,127,459,398,926,336/81,906,880
  6. Step 6: Final answer
    x = 392,243,721.15

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.