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Finding the Third Proportional to 244.90 and 540.74

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Solution

The third proportional to 244.90 and 540.74 is: 1,193.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.90 : 540.74 = 540.74 : x
  2. Step 2: Convert to fraction form
    244.90/540.74 = 540.74/x
  3. Step 3: Cross multiply
    244.90x = 540.74 × 540.74
  4. Step 4: Simplify right side
    244.90x = 292,397.89
  5. Step 5: Solve for x
    x = 292,397.89/244.90
  6. Step 6: Final answer
    x = 1,193.96

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.