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Finding the Third Proportional to 6,342 and 11,628

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Solution

The third proportional to 6,342 and 11,628 is: 21,319.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,342 : 11,628 = 11,628 : x
  2. Step 2: Convert to fraction form
    6,342/11,628 = 11,628/x
  3. Step 3: Cross multiply
    6,342x = 11,628 × 11,628
  4. Step 4: Simplify right side
    6,342x = 135,210,384
  5. Step 5: Solve for x
    x = 135,210,384/6,342
  6. Step 6: Final answer
    x = 21,319.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.83) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.