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Finding the Third Proportional to 5,142 and 11,064.75

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Solution

The third proportional to 5,142 and 11,064.75 is: 23,809.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142 : 11,064.75 = 11,064.75 : x
  2. Step 2: Convert to fraction form
    5,142/11,064.75 = 11,064.75/x
  3. Step 3: Cross multiply
    5,142x = 11,064.75 × 11,064.75
  4. Step 4: Simplify right side
    5,142x = 122,428,692.56
  5. Step 5: Solve for x
    x = 122,428,692.56/5,142
  6. Step 6: Final answer
    x = 23,809.55

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.