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Finding the Third Proportional to 3,261 and 4,877.25

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Solution

The third proportional to 3,261 and 4,877.25 is: 7,294.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261 : 4,877.25 = 4,877.25 : x
  2. Step 2: Convert to fraction form
    3,261/4,877.25 = 4,877.25/x
  3. Step 3: Cross multiply
    3,261x = 4,877.25 × 4,877.25
  4. Step 4: Simplify right side
    3,261x = 23,787,567.56
  5. Step 5: Solve for x
    x = 23,787,567.56/3,261
  6. Step 6: Final answer
    x = 7,294.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.