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Finding the Third Proportional to 7,564 and 9,969

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Solution

The third proportional to 7,564 and 9,969 is: 13,138.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,564 : 9,969 = 9,969 : x
  2. Step 2: Convert to fraction form
    7,564/9,969 = 9,969/x
  3. Step 3: Cross multiply
    7,564x = 9,969 × 9,969
  4. Step 4: Simplify right side
    7,564x = 99,380,961
  5. Step 5: Solve for x
    x = 99,380,961/7,564
  6. Step 6: Final answer
    x = 13,138.68

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.