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Finding the Third Proportional to 550 and 1,134.88

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Solution

The third proportional to 550 and 1,134.88 is: 2,341.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    550 : 1,134.88 = 1,134.88 : x
  2. Step 2: Convert to fraction form
    550/1,134.88 = 1,134.88/x
  3. Step 3: Cross multiply
    550x = 1,134.88 × 1,134.88
  4. Step 4: Simplify right side
    550x = 1,287,941.27
  5. Step 5: Solve for x
    x = 1,287,941.27/550
  6. Step 6: Final answer
    x = 2,341.71

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.