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Finding the Third Proportional to 487.13 and 733.50

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Solution

The third proportional to 487.13 and 733.50 is: 1,104.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    487.13 : 733.50 = 733.50 : x
  2. Step 2: Convert to fraction form
    487.13/733.50 = 733.50/x
  3. Step 3: Cross multiply
    487.13x = 733.50 × 733.50
  4. Step 4: Simplify right side
    487.13x = 538,022.25
  5. Step 5: Solve for x
    x = 538,022.25/487.13
  6. Step 6: Final answer
    x = 1,104.48

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.