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Finding the Third Proportional to 9,118.83 and 19,695.66

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Solution

The third proportional to 9,118.83 and 19,695.66 is: 42,540.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118.83 : 19,695.66 = 19,695.66 : x
  2. Step 2: Convert to fraction form
    9,118.83/19,695.66 = 19,695.66/x
  3. Step 3: Cross multiply
    9,118.83x = 19,695.66 × 19,695.66
  4. Step 4: Simplify right side
    9,118.83x = 387,918,875.12
  5. Step 5: Solve for x
    x = 387,918,875.12/9,118.83
  6. Step 6: Final answer
    x = 42,540.43

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.