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Finding the Third Proportional to 7,862 and 17,086

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Solution

The third proportional to 7,862 and 17,086 is: 37,131.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,862 : 17,086 = 17,086 : x
  2. Step 2: Convert to fraction form
    7,862/17,086 = 17,086/x
  3. Step 3: Cross multiply
    7,862x = 17,086 × 17,086
  4. Step 4: Simplify right side
    7,862x = 291,931,396
  5. Step 5: Solve for x
    x = 291,931,396/7,862
  6. Step 6: Final answer
    x = 37,131.95

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.