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Finding the Third Proportional to 3,600.46 and 7,979.40

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Solution

The third proportional to 3,600.46 and 7,979.40 is: 17,684.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.46 : 7,979.40 = 7,979.40 : x
  2. Step 2: Convert to fraction form
    3,600.46/7,979.40 = 7,979.40/x
  3. Step 3: Cross multiply
    3,600.46x = 7,979.40 × 7,979.40
  4. Step 4: Simplify right side
    3,600.46x = 63,670,820.85
  5. Step 5: Solve for x
    x = 63,670,820.85/3,600.46
  6. Step 6: Final answer
    x = 17,684.08

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.