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Finding the Third Proportional to 91,954 and 198,422.50

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Solution

The third proportional to 91,954 and 198,422.50 is: 428,165.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,954 : 198,422.50 = 198,422.50 : x
  2. Step 2: Convert to fraction form
    91,954/198,422.50 = 198,422.50/x
  3. Step 3: Cross multiply
    91,954x = 198,422.50 × 198,422.50
  4. Step 4: Simplify right side
    91,954x = 39,371,488,506.25
  5. Step 5: Solve for x
    x = 39,371,488,506.25/91,954
  6. Step 6: Final answer
    x = 428,165.04

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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.