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Finding the Third Proportional to 4,761.50 and 7,326.75

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Solution

The third proportional to 4,761.50 and 7,326.75 is: 11,274.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,761.50 : 7,326.75 = 7,326.75 : x
  2. Step 2: Convert to fraction form
    4,761.50/7,326.75 = 7,326.75/x
  3. Step 3: Cross multiply
    4,761.50x = 7,326.75 × 7,326.75
  4. Step 4: Simplify right side
    4,761.50x = 53,681,265.56
  5. Step 5: Solve for x
    x = 53,681,265.56/4,761.50
  6. Step 6: Final answer
    x = 11,274.02

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.