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Finding the Third Proportional to 15,818 and 34,086

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Solution

The third proportional to 15,818 and 34,086 is: 73,451.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,818 : 34,086 = 34,086 : x
  2. Step 2: Convert to fraction form
    15,818/34,086 = 34,086/x
  3. Step 3: Cross multiply
    15,818x = 34,086 × 34,086
  4. Step 4: Simplify right side
    15,818x = 1,161,855,396
  5. Step 5: Solve for x
    x = 1,161,855,396/15,818
  6. Step 6: Final answer
    x = 73,451.47

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.