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Finding the Third Proportional to 449.75 and 567.75

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Solution

The third proportional to 449.75 and 567.75 is: 716.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    449.75 : 567.75 = 567.75 : x
  2. Step 2: Convert to fraction form
    449.75/567.75 = 567.75/x
  3. Step 3: Cross multiply
    449.75x = 567.75 × 567.75
  4. Step 4: Simplify right side
    449.75x = 322,340.06
  5. Step 5: Solve for x
    x = 322,340.06/449.75
  6. Step 6: Final answer
    x = 716.71

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Why These Related Problems?

These problems maintain the same ratio (1.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.