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Finding the Third Proportional to 8,125 and 10,969

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Solution

The third proportional to 8,125 and 10,969 is: 14,808.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125 : 10,969 = 10,969 : x
  2. Step 2: Convert to fraction form
    8,125/10,969 = 10,969/x
  3. Step 3: Cross multiply
    8,125x = 10,969 × 10,969
  4. Step 4: Simplify right side
    8,125x = 120,318,961
  5. Step 5: Solve for x
    x = 120,318,961/8,125
  6. Step 6: Final answer
    x = 14,808.49

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.