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Finding the Third Proportional to 3,617.50 and 6,437

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Solution

The third proportional to 3,617.50 and 6,437 is: 11,454.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.50 : 6,437 = 6,437 : x
  2. Step 2: Convert to fraction form
    3,617.50/6,437 = 6,437/x
  3. Step 3: Cross multiply
    3,617.50x = 6,437 × 6,437
  4. Step 4: Simplify right side
    3,617.50x = 41,434,969
  5. Step 5: Solve for x
    x = 41,434,969/3,617.50
  6. Step 6: Final answer
    x = 11,454.03

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.