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Finding the Third Proportional to 7,347.75 and 17,331

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Solution

The third proportional to 7,347.75 and 17,331 is: 40,878.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.75 : 17,331 = 17,331 : x
  2. Step 2: Convert to fraction form
    7,347.75/17,331 = 17,331/x
  3. Step 3: Cross multiply
    7,347.75x = 17,331 × 17,331
  4. Step 4: Simplify right side
    7,347.75x = 300,363,561
  5. Step 5: Solve for x
    x = 300,363,561/7,347.75
  6. Step 6: Final answer
    x = 40,878.30

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.