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Finding the Third Proportional to 90,937 and 199,922

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Solution

The third proportional to 90,937 and 199,922 is: 439,521.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,937 : 199,922 = 199,922 : x
  2. Step 2: Convert to fraction form
    90,937/199,922 = 199,922/x
  3. Step 3: Cross multiply
    90,937x = 199,922 × 199,922
  4. Step 4: Simplify right side
    90,937x = 39,968,806,084
  5. Step 5: Solve for x
    x = 39,968,806,084/90,937
  6. Step 6: Final answer
    x = 439,521.93

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.