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Finding the Third Proportional to 43,188,919.88 and 66,226,894.31

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Solution

The third proportional to 43,188,919.88 and 66,226,894.31 is: 101,553,860.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,188,919.88 : 66,226,894.31 = 66,226,894.31 : x
  2. Step 2: Convert to fraction form
    43,188,919.88/66,226,894.31 = 66,226,894.31/x
  3. Step 3: Cross multiply
    43,188,919.88x = 66,226,894.31 × 66,226,894.31
  4. Step 4: Simplify right side
    43,188,919.88x = 4,386,001,530,279,045
  5. Step 5: Solve for x
    x = 4,386,001,530,279,045/43,188,919.88
  6. Step 6: Final answer
    x = 101,553,860.18

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.