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Finding the Third Proportional to 90,754,516 and 137,211,958

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Solution

The third proportional to 90,754,516 and 137,211,958 is: 207,451,069.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,754,516 : 137,211,958 = 137,211,958 : x
  2. Step 2: Convert to fraction form
    90,754,516/137,211,958 = 137,211,958/x
  3. Step 3: Cross multiply
    90,754,516x = 137,211,958 × 137,211,958
  4. Step 4: Simplify right side
    90,754,516x = 18,827,121,418,193,764
  5. Step 5: Solve for x
    x = 18,827,121,418,193,764/90,754,516
  6. Step 6: Final answer
    x = 207,451,069.63

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.