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Finding the Third Proportional to 91,080,312 and 140,876,534

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Solution

The third proportional to 91,080,312 and 140,876,534 is: 217,897,780.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,080,312 : 140,876,534 = 140,876,534 : x
  2. Step 2: Convert to fraction form
    91,080,312/140,876,534 = 140,876,534/x
  3. Step 3: Cross multiply
    91,080,312x = 140,876,534 × 140,876,534
  4. Step 4: Simplify right side
    91,080,312x = 19,846,197,831,853,156
  5. Step 5: Solve for x
    x = 19,846,197,831,853,156/91,080,312
  6. Step 6: Final answer
    x = 217,897,780.50

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.