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Finding the Third Proportional to 86,513 and 185,958

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Solution

The third proportional to 86,513 and 185,958 is: 399,713.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,513 : 185,958 = 185,958 : x
  2. Step 2: Convert to fraction form
    86,513/185,958 = 185,958/x
  3. Step 3: Cross multiply
    86,513x = 185,958 × 185,958
  4. Step 4: Simplify right side
    86,513x = 34,580,377,764
  5. Step 5: Solve for x
    x = 34,580,377,764/86,513
  6. Step 6: Final answer
    x = 399,713.08

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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.