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Finding the Third Proportional to 54,336,142 and 81,288,793

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Solution

The third proportional to 54,336,142 and 81,288,793 is: 121,610,913.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,336,142 : 81,288,793 = 81,288,793 : x
  2. Step 2: Convert to fraction form
    54,336,142/81,288,793 = 81,288,793/x
  3. Step 3: Cross multiply
    54,336,142x = 81,288,793 × 81,288,793
  4. Step 4: Simplify right side
    54,336,142x = 6,607,867,867,396,849
  5. Step 5: Solve for x
    x = 6,607,867,867,396,849/54,336,142
  6. Step 6: Final answer
    x = 121,610,913.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.