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Finding the Third Proportional to 90,251,118 and 137,491,749

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Solution

The third proportional to 90,251,118 and 137,491,749 is: 209,459,799.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,251,118 : 137,491,749 = 137,491,749 : x
  2. Step 2: Convert to fraction form
    90,251,118/137,491,749 = 137,491,749/x
  3. Step 3: Cross multiply
    90,251,118x = 137,491,749 × 137,491,749
  4. Step 4: Simplify right side
    90,251,118x = 18,903,981,043,079,000
  5. Step 5: Solve for x
    x = 18,903,981,043,079,000/90,251,118
  6. Step 6: Final answer
    x = 209,459,799.08

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.