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Finding the Third Proportional to 884.50 and 1,591

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Solution

The third proportional to 884.50 and 1,591 is: 2,861.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    884.50 : 1,591 = 1,591 : x
  2. Step 2: Convert to fraction form
    884.50/1,591 = 1,591/x
  3. Step 3: Cross multiply
    884.50x = 1,591 × 1,591
  4. Step 4: Simplify right side
    884.50x = 2,531,281
  5. Step 5: Solve for x
    x = 2,531,281/884.50
  6. Step 6: Final answer
    x = 2,861.82

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Why These Related Problems?

These problems maintain the same ratio (1.80) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.