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Finding the Third Proportional to 502.03 and 751.78

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Solution

The third proportional to 502.03 and 751.78 is: 1,125.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    502.03 : 751.78 = 751.78 : x
  2. Step 2: Convert to fraction form
    502.03/751.78 = 751.78/x
  3. Step 3: Cross multiply
    502.03x = 751.78 × 751.78
  4. Step 4: Simplify right side
    502.03x = 565,175.05
  5. Step 5: Solve for x
    x = 565,175.05/502.03
  6. Step 6: Final answer
    x = 1,125.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.