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Finding the Third Proportional to 3,124.50 and 3,750

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Solution

The third proportional to 3,124.50 and 3,750 is: 4,500.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.50 : 3,750 = 3,750 : x
  2. Step 2: Convert to fraction form
    3,124.50/3,750 = 3,750/x
  3. Step 3: Cross multiply
    3,124.50x = 3,750 × 3,750
  4. Step 4: Simplify right side
    3,124.50x = 14,062,500
  5. Step 5: Solve for x
    x = 14,062,500/3,124.50
  6. Step 6: Final answer
    x = 4,500.72

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Why These Related Problems?

These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.