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Finding the Third Proportional to 1,591.88 and 2,890.13

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Solution

The third proportional to 1,591.88 and 2,890.13 is: 5,247.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591.88 : 2,890.13 = 2,890.13 : x
  2. Step 2: Convert to fraction form
    1,591.88/2,890.13 = 2,890.13/x
  3. Step 3: Cross multiply
    1,591.88x = 2,890.13 × 2,890.13
  4. Step 4: Simplify right side
    1,591.88x = 8,352,822.52
  5. Step 5: Solve for x
    x = 8,352,822.52/1,591.88
  6. Step 6: Final answer
    x = 5,247.16

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Why These Related Problems?

These problems maintain the same ratio (1.82) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.