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Finding the Third Proportional to 5,188.13 and 8,011.88

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Solution

The third proportional to 5,188.13 and 8,011.88 is: 12,372.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.13 : 8,011.88 = 8,011.88 : x
  2. Step 2: Convert to fraction form
    5,188.13/8,011.88 = 8,011.88/x
  3. Step 3: Cross multiply
    5,188.13x = 8,011.88 × 8,011.88
  4. Step 4: Simplify right side
    5,188.13x = 64,190,141.02
  5. Step 5: Solve for x
    x = 64,190,141.02/5,188.13
  6. Step 6: Final answer
    x = 12,372.51

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.