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Finding the Third Proportional to 6,022.69 and 6,490.13

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Solution

The third proportional to 6,022.69 and 6,490.13 is: 6,993.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,022.69 : 6,490.13 = 6,490.13 : x
  2. Step 2: Convert to fraction form
    6,022.69/6,490.13 = 6,490.13/x
  3. Step 3: Cross multiply
    6,022.69x = 6,490.13 × 6,490.13
  4. Step 4: Simplify right side
    6,022.69x = 42,121,722.52
  5. Step 5: Solve for x
    x = 42,121,722.52/6,022.69
  6. Step 6: Final answer
    x = 6,993.84

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.