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Finding the Third Proportional to 6,242.63 and 13,251.38

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Solution

The third proportional to 6,242.63 and 13,251.38 is: 28,129.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,242.63 : 13,251.38 = 13,251.38 : x
  2. Step 2: Convert to fraction form
    6,242.63/13,251.38 = 13,251.38/x
  3. Step 3: Cross multiply
    6,242.63x = 13,251.38 × 13,251.38
  4. Step 4: Simplify right side
    6,242.63x = 175,598,939.39
  5. Step 5: Solve for x
    x = 175,598,939.39/6,242.63
  6. Step 6: Final answer
    x = 28,129.02

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.