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Finding the Third Proportional to 7,962 and 17,580

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Solution

The third proportional to 7,962 and 17,580 is: 38,816.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962 : 17,580 = 17,580 : x
  2. Step 2: Convert to fraction form
    7,962/17,580 = 17,580/x
  3. Step 3: Cross multiply
    7,962x = 17,580 × 17,580
  4. Step 4: Simplify right side
    7,962x = 309,056,400
  5. Step 5: Solve for x
    x = 309,056,400/7,962
  6. Step 6: Final answer
    x = 38,816.43

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.