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Finding the Third Proportional to 548.13 and 1,011.88

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Solution

The third proportional to 548.13 and 1,011.88 is: 1,867.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.13 : 1,011.88 = 1,011.88 : x
  2. Step 2: Convert to fraction form
    548.13/1,011.88 = 1,011.88/x
  3. Step 3: Cross multiply
    548.13x = 1,011.88 × 1,011.88
  4. Step 4: Simplify right side
    548.13x = 1,023,891.02
  5. Step 5: Solve for x
    x = 1,023,891.02/548.13
  6. Step 6: Final answer
    x = 1,867.99

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.