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Finding the Third Proportional to 6,862 and 11,346

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Solution

The third proportional to 6,862 and 11,346 is: 18,760.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,862 : 11,346 = 11,346 : x
  2. Step 2: Convert to fraction form
    6,862/11,346 = 11,346/x
  3. Step 3: Cross multiply
    6,862x = 11,346 × 11,346
  4. Step 4: Simplify right side
    6,862x = 128,731,716
  5. Step 5: Solve for x
    x = 128,731,716/6,862
  6. Step 6: Final answer
    x = 18,760.09

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.