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Finding the Third Proportional to 90,255,832 and 137,499,976

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Solution

The third proportional to 90,255,832 and 137,499,976 is: 209,473,925.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,255,832 : 137,499,976 = 137,499,976 : x
  2. Step 2: Convert to fraction form
    90,255,832/137,499,976 = 137,499,976/x
  3. Step 3: Cross multiply
    90,255,832x = 137,499,976 × 137,499,976
  4. Step 4: Simplify right side
    90,255,832x = 18,906,243,400,000,576
  5. Step 5: Solve for x
    x = 18,906,243,400,000,576/90,255,832
  6. Step 6: Final answer
    x = 209,473,925.19

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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.