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Finding the Third Proportional to 244.90 and 553.71

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Solution

The third proportional to 244.90 and 553.71 is: 1,251.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.90 : 553.71 = 553.71 : x
  2. Step 2: Convert to fraction form
    244.90/553.71 = 553.71/x
  3. Step 3: Cross multiply
    244.90x = 553.71 × 553.71
  4. Step 4: Simplify right side
    244.90x = 306,595.80
  5. Step 5: Solve for x
    x = 306,595.80/244.90
  6. Step 6: Final answer
    x = 1,251.93

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.