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Finding the Third Proportional to 7,275,892.50 and 12,125,757.38

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Solution

The third proportional to 7,275,892.50 and 12,125,757.38 is: 20,208,378.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275,892.50 : 12,125,757.38 = 12,125,757.38 : x
  2. Step 2: Convert to fraction form
    7,275,892.50/12,125,757.38 = 12,125,757.38/x
  3. Step 3: Cross multiply
    7,275,892.50x = 12,125,757.38 × 12,125,757.38
  4. Step 4: Simplify right side
    7,275,892.50x = 147,033,991,917,366.88
  5. Step 5: Solve for x
    x = 147,033,991,917,366.88/7,275,892.50
  6. Step 6: Final answer
    x = 20,208,378.82

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.