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Finding the Third Proportional to 9,972 and 11,604

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Solution

The third proportional to 9,972 and 11,604 is: 13,503.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,972 : 11,604 = 11,604 : x
  2. Step 2: Convert to fraction form
    9,972/11,604 = 11,604/x
  3. Step 3: Cross multiply
    9,972x = 11,604 × 11,604
  4. Step 4: Simplify right side
    9,972x = 134,652,816
  5. Step 5: Solve for x
    x = 134,652,816/9,972
  6. Step 6: Final answer
    x = 13,503.09

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.