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Finding the Third Proportional to 7,996 and 17,720

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Solution

The third proportional to 7,996 and 17,720 is: 39,269.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,996 : 17,720 = 17,720 : x
  2. Step 2: Convert to fraction form
    7,996/17,720 = 17,720/x
  3. Step 3: Cross multiply
    7,996x = 17,720 × 17,720
  4. Step 4: Simplify right side
    7,996x = 313,998,400
  5. Step 5: Solve for x
    x = 313,998,400/7,996
  6. Step 6: Final answer
    x = 39,269.43

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.