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Finding the Third Proportional to 9,418.78 and 19,614.66

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Solution

The third proportional to 9,418.78 and 19,614.66 is: 40,847.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.78 : 19,614.66 = 19,614.66 : x
  2. Step 2: Convert to fraction form
    9,418.78/19,614.66 = 19,614.66/x
  3. Step 3: Cross multiply
    9,418.78x = 19,614.66 × 19,614.66
  4. Step 4: Simplify right side
    9,418.78x = 384,734,739.81
  5. Step 5: Solve for x
    x = 384,734,739.81/9,418.78
  6. Step 6: Final answer
    x = 40,847.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.