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Finding the Third Proportional to 4,618.50 and 9,591

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Solution

The third proportional to 4,618.50 and 9,591 is: 19,917.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,618.50 : 9,591 = 9,591 : x
  2. Step 2: Convert to fraction form
    4,618.50/9,591 = 9,591/x
  3. Step 3: Cross multiply
    4,618.50x = 9,591 × 9,591
  4. Step 4: Simplify right side
    4,618.50x = 91,987,281
  5. Step 5: Solve for x
    x = 91,987,281/4,618.50
  6. Step 6: Final answer
    x = 19,917.13

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.