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Finding the Third Proportional to 4,708.13 and 8,155.69

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Solution

The third proportional to 4,708.13 and 8,155.69 is: 14,127.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,708.13 : 8,155.69 = 8,155.69 : x
  2. Step 2: Convert to fraction form
    4,708.13/8,155.69 = 8,155.69/x
  3. Step 3: Cross multiply
    4,708.13x = 8,155.69 × 8,155.69
  4. Step 4: Simplify right side
    4,708.13x = 66,515,238.60
  5. Step 5: Solve for x
    x = 66,515,238.60/4,708.13
  6. Step 6: Final answer
    x = 14,127.76

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Why These Related Problems?

These problems maintain the same ratio (1.73) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.