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Finding the Third Proportional to 81,815,080 and 176,381,099

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Solution

The third proportional to 81,815,080 and 176,381,099 is: 380,251,319.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,815,080 : 176,381,099 = 176,381,099 : x
  2. Step 2: Convert to fraction form
    81,815,080/176,381,099 = 176,381,099/x
  3. Step 3: Cross multiply
    81,815,080x = 176,381,099 × 176,381,099
  4. Step 4: Simplify right side
    81,815,080x = 31,110,292,084,447,800
  5. Step 5: Solve for x
    x = 31,110,292,084,447,800/81,815,080
  6. Step 6: Final answer
    x = 380,251,319.00

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.