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Finding the Third Proportional to 7,182,123.75 and 10,847,665.13

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Solution

The third proportional to 7,182,123.75 and 10,847,665.13 is: 16,383,989.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182,123.75 : 10,847,665.13 = 10,847,665.13 : x
  2. Step 2: Convert to fraction form
    7,182,123.75/10,847,665.13 = 10,847,665.13/x
  3. Step 3: Cross multiply
    7,182,123.75x = 10,847,665.13 × 10,847,665.13
  4. Step 4: Simplify right side
    7,182,123.75x = 117,671,838,664,141.27
  5. Step 5: Solve for x
    x = 117,671,838,664,141.27/7,182,123.75
  6. Step 6: Final answer
    x = 16,383,989.30

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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.