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Finding the Third Proportional to 13,230.75 and 28,281.25

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Solution

The third proportional to 13,230.75 and 28,281.25 is: 60,452.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230.75 : 28,281.25 = 28,281.25 : x
  2. Step 2: Convert to fraction form
    13,230.75/28,281.25 = 28,281.25/x
  3. Step 3: Cross multiply
    13,230.75x = 28,281.25 × 28,281.25
  4. Step 4: Simplify right side
    13,230.75x = 799,829,101.56
  5. Step 5: Solve for x
    x = 799,829,101.56/13,230.75
  6. Step 6: Final answer
    x = 60,452.29

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.