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Finding the Third Proportional to 5,512.11 and 12,079.76

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Solution

The third proportional to 5,512.11 and 12,079.76 is: 26,472.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.11 : 12,079.76 = 12,079.76 : x
  2. Step 2: Convert to fraction form
    5,512.11/12,079.76 = 12,079.76/x
  3. Step 3: Cross multiply
    5,512.11x = 12,079.76 × 12,079.76
  4. Step 4: Simplify right side
    5,512.11x = 145,920,548.81
  5. Step 5: Solve for x
    x = 145,920,548.81/5,512.11
  6. Step 6: Final answer
    x = 26,472.70

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.