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Finding the Third Proportional to 5,497.50 and 7,489.50

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Solution

The third proportional to 5,497.50 and 7,489.50 is: 10,203.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,497.50 : 7,489.50 = 7,489.50 : x
  2. Step 2: Convert to fraction form
    5,497.50/7,489.50 = 7,489.50/x
  3. Step 3: Cross multiply
    5,497.50x = 7,489.50 × 7,489.50
  4. Step 4: Simplify right side
    5,497.50x = 56,092,610.25
  5. Step 5: Solve for x
    x = 56,092,610.25/5,497.50
  6. Step 6: Final answer
    x = 10,203.29

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.