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Finding the Third Proportional to 7,991 and 17,535

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Solution

The third proportional to 7,991 and 17,535 is: 38,477.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,991 : 17,535 = 17,535 : x
  2. Step 2: Convert to fraction form
    7,991/17,535 = 17,535/x
  3. Step 3: Cross multiply
    7,991x = 17,535 × 17,535
  4. Step 4: Simplify right side
    7,991x = 307,476,225
  5. Step 5: Solve for x
    x = 307,476,225/7,991
  6. Step 6: Final answer
    x = 38,477.82

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.