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Finding the Third Proportional to 7,884.50 and 10,962.75

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Solution

The third proportional to 7,884.50 and 10,962.75 is: 15,242.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884.50 : 10,962.75 = 10,962.75 : x
  2. Step 2: Convert to fraction form
    7,884.50/10,962.75 = 10,962.75/x
  3. Step 3: Cross multiply
    7,884.50x = 10,962.75 × 10,962.75
  4. Step 4: Simplify right side
    7,884.50x = 120,181,887.56
  5. Step 5: Solve for x
    x = 120,181,887.56/7,884.50
  6. Step 6: Final answer
    x = 15,242.80

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.