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Finding the Third Proportional to 1,063.97 and 1,520.86

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Solution

The third proportional to 1,063.97 and 1,520.86 is: 2,173.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.97 : 1,520.86 = 1,520.86 : x
  2. Step 2: Convert to fraction form
    1,063.97/1,520.86 = 1,520.86/x
  3. Step 3: Cross multiply
    1,063.97x = 1,520.86 × 1,520.86
  4. Step 4: Simplify right side
    1,063.97x = 2,313,013.24
  5. Step 5: Solve for x
    x = 2,313,013.24/1,063.97
  6. Step 6: Final answer
    x = 2,173.95

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.