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Finding the Third Proportional to 5,867.50 and 12,875

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Solution

The third proportional to 5,867.50 and 12,875 is: 28,251.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,867.50 : 12,875 = 12,875 : x
  2. Step 2: Convert to fraction form
    5,867.50/12,875 = 12,875/x
  3. Step 3: Cross multiply
    5,867.50x = 12,875 × 12,875
  4. Step 4: Simplify right side
    5,867.50x = 165,765,625
  5. Step 5: Solve for x
    x = 165,765,625/5,867.50
  6. Step 6: Final answer
    x = 28,251.49

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.