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Finding the Third Proportional to 7,179.30 and 10,725.70

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Solution

The third proportional to 7,179.30 and 10,725.70 is: 16,023.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.30 : 10,725.70 = 10,725.70 : x
  2. Step 2: Convert to fraction form
    7,179.30/10,725.70 = 10,725.70/x
  3. Step 3: Cross multiply
    7,179.30x = 10,725.70 × 10,725.70
  4. Step 4: Simplify right side
    7,179.30x = 115,040,581.83
  5. Step 5: Solve for x
    x = 115,040,581.83/7,179.30
  6. Step 6: Final answer
    x = 16,023.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.