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Finding the Third Proportional to 198,622.50 and 299,802

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Solution

The third proportional to 198,622.50 and 299,802 is: 452,522.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,622.50 : 299,802 = 299,802 : x
  2. Step 2: Convert to fraction form
    198,622.50/299,802 = 299,802/x
  3. Step 3: Cross multiply
    198,622.50x = 299,802 × 299,802
  4. Step 4: Simplify right side
    198,622.50x = 89,881,239,204
  5. Step 5: Solve for x
    x = 89,881,239,204/198,622.50
  6. Step 6: Final answer
    x = 452,522.95

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.