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Finding the Third Proportional to 561 and 733.50

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Solution

The third proportional to 561 and 733.50 is: 959.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    561 : 733.50 = 733.50 : x
  2. Step 2: Convert to fraction form
    561/733.50 = 733.50/x
  3. Step 3: Cross multiply
    561x = 733.50 × 733.50
  4. Step 4: Simplify right side
    561x = 538,022.25
  5. Step 5: Solve for x
    x = 538,022.25/561
  6. Step 6: Final answer
    x = 959.04

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.