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Finding the Third Proportional to 77,910,810 and 166,244,049

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Solution

The third proportional to 77,910,810 and 166,244,049 is: 354,727,204.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,910,810 : 166,244,049 = 166,244,049 : x
  2. Step 2: Convert to fraction form
    77,910,810/166,244,049 = 166,244,049/x
  3. Step 3: Cross multiply
    77,910,810x = 166,244,049 × 166,244,049
  4. Step 4: Simplify right side
    77,910,810x = 27,637,083,827,914,400
  5. Step 5: Solve for x
    x = 27,637,083,827,914,400/77,910,810
  6. Step 6: Final answer
    x = 354,727,204.45

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.