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Finding the Third Proportional to 9,127.69 and 18,950.20

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Solution

The third proportional to 9,127.69 and 18,950.20 is: 39,342.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.69 : 18,950.20 = 18,950.20 : x
  2. Step 2: Convert to fraction form
    9,127.69/18,950.20 = 18,950.20/x
  3. Step 3: Cross multiply
    9,127.69x = 18,950.20 × 18,950.20
  4. Step 4: Simplify right side
    9,127.69x = 359,110,198.48
  5. Step 5: Solve for x
    x = 359,110,198.48/9,127.69
  6. Step 6: Final answer
    x = 39,342.95

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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.