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Finding the Third Proportional to 81,366,757.88 and 122,806,793.25

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Solution

The third proportional to 81,366,757.88 and 122,806,793.25 is: 185,352,210.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,366,757.88 : 122,806,793.25 = 122,806,793.25 : x
  2. Step 2: Convert to fraction form
    81,366,757.88/122,806,793.25 = 122,806,793.25/x
  3. Step 3: Cross multiply
    81,366,757.88x = 122,806,793.25 × 122,806,793.25
  4. Step 4: Simplify right side
    81,366,757.88x = 15,081,508,468,348,246
  5. Step 5: Solve for x
    x = 15,081,508,468,348,246/81,366,757.88
  6. Step 6: Final answer
    x = 185,352,210.93

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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.