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Finding the Third Proportional to 5,658.75 and 8,799.75

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Solution

The third proportional to 5,658.75 and 8,799.75 is: 13,684.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,658.75 : 8,799.75 = 8,799.75 : x
  2. Step 2: Convert to fraction form
    5,658.75/8,799.75 = 8,799.75/x
  3. Step 3: Cross multiply
    5,658.75x = 8,799.75 × 8,799.75
  4. Step 4: Simplify right side
    5,658.75x = 77,435,600.06
  5. Step 5: Solve for x
    x = 77,435,600.06/5,658.75
  6. Step 6: Final answer
    x = 13,684.22

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.