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Finding the Third Proportional to 567.75 and 877.25

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Solution

The third proportional to 567.75 and 877.25 is: 1,355.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.75 : 877.25 = 877.25 : x
  2. Step 2: Convert to fraction form
    567.75/877.25 = 877.25/x
  3. Step 3: Cross multiply
    567.75x = 877.25 × 877.25
  4. Step 4: Simplify right side
    567.75x = 769,567.56
  5. Step 5: Solve for x
    x = 769,567.56/567.75
  6. Step 6: Final answer
    x = 1,355.47

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.