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Finding the Third Proportional to 1,332.50 and 2,917

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Solution

The third proportional to 1,332.50 and 2,917 is: 6,385.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332.50 : 2,917 = 2,917 : x
  2. Step 2: Convert to fraction form
    1,332.50/2,917 = 2,917/x
  3. Step 3: Cross multiply
    1,332.50x = 2,917 × 2,917
  4. Step 4: Simplify right side
    1,332.50x = 8,508,889
  5. Step 5: Solve for x
    x = 8,508,889/1,332.50
  6. Step 6: Final answer
    x = 6,385.66

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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.