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Finding the Third Proportional to 502.03 and 1,247.20

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Solution

The third proportional to 502.03 and 1,247.20 is: 3,098.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    502.03 : 1,247.20 = 1,247.20 : x
  2. Step 2: Convert to fraction form
    502.03/1,247.20 = 1,247.20/x
  3. Step 3: Cross multiply
    502.03x = 1,247.20 × 1,247.20
  4. Step 4: Simplify right side
    502.03x = 1,555,515.64
  5. Step 5: Solve for x
    x = 1,555,515.64/502.03
  6. Step 6: Final answer
    x = 3,098.44

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Why These Related Problems?

These problems maintain the same ratio (2.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.