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Finding the Third Proportional to 12,240,320.06 and 18,517,909.92

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Solution

The third proportional to 12,240,320.06 and 18,517,909.92 is: 28,015,034.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240,320.06 : 18,517,909.92 = 18,517,909.92 : x
  2. Step 2: Convert to fraction form
    12,240,320.06/18,517,909.92 = 18,517,909.92/x
  3. Step 3: Cross multiply
    12,240,320.06x = 18,517,909.92 × 18,517,909.92
  4. Step 4: Simplify right side
    12,240,320.06x = 342,912,987,874,676.56
  5. Step 5: Solve for x
    x = 342,912,987,874,676.56/12,240,320.06
  6. Step 6: Final answer
    x = 28,015,034.42

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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.