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Finding the Third Proportional to 6,360.50 and 13,121

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Solution

The third proportional to 6,360.50 and 13,121 is: 27,067.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,360.50 : 13,121 = 13,121 : x
  2. Step 2: Convert to fraction form
    6,360.50/13,121 = 13,121/x
  3. Step 3: Cross multiply
    6,360.50x = 13,121 × 13,121
  4. Step 4: Simplify right side
    6,360.50x = 172,160,641
  5. Step 5: Solve for x
    x = 172,160,641/6,360.50
  6. Step 6: Final answer
    x = 27,067.16

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.