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Finding the Third Proportional to 249.75 and 373.38

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Solution

The third proportional to 249.75 and 373.38 is: 558.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.75 : 373.38 = 373.38 : x
  2. Step 2: Convert to fraction form
    249.75/373.38 = 373.38/x
  3. Step 3: Cross multiply
    249.75x = 373.38 × 373.38
  4. Step 4: Simplify right side
    249.75x = 139,408.89
  5. Step 5: Solve for x
    x = 139,408.89/249.75
  6. Step 6: Final answer
    x = 558.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.