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Finding the Third Proportional to 7,887,660.75 and 11,799,966.38

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Solution

The third proportional to 7,887,660.75 and 11,799,966.38 is: 17,652,788.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887,660.75 : 11,799,966.38 = 11,799,966.38 : x
  2. Step 2: Convert to fraction form
    7,887,660.75/11,799,966.38 = 11,799,966.38/x
  3. Step 3: Cross multiply
    7,887,660.75x = 11,799,966.38 × 11,799,966.38
  4. Step 4: Simplify right side
    7,887,660.75x = 139,239,206,451,130.64
  5. Step 5: Solve for x
    x = 139,239,206,451,130.64/7,887,660.75
  6. Step 6: Final answer
    x = 17,652,788.43

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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.