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Finding the Third Proportional to 244.41 and 387.56

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Solution

The third proportional to 244.41 and 387.56 is: 614.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.41 : 387.56 = 387.56 : x
  2. Step 2: Convert to fraction form
    244.41/387.56 = 387.56/x
  3. Step 3: Cross multiply
    244.41x = 387.56 × 387.56
  4. Step 4: Simplify right side
    244.41x = 150,204.69
  5. Step 5: Solve for x
    x = 150,204.69/244.41
  6. Step 6: Final answer
    x = 614.57

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.