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Finding the Third Proportional to 90,551.04 and 196,672.43

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Solution

The third proportional to 90,551.04 and 196,672.43 is: 427,162.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,551.04 : 196,672.43 = 196,672.43 : x
  2. Step 2: Convert to fraction form
    90,551.04/196,672.43 = 196,672.43/x
  3. Step 3: Cross multiply
    90,551.04x = 196,672.43 × 196,672.43
  4. Step 4: Simplify right side
    90,551.04x = 38,680,044,599.18
  5. Step 5: Solve for x
    x = 38,680,044,599.18/90,551.04
  6. Step 6: Final answer
    x = 427,162.90

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.