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Finding the Third Proportional to 91,052 and 198,708

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Solution

The third proportional to 91,052 and 198,708 is: 433,651.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,052 : 198,708 = 198,708 : x
  2. Step 2: Convert to fraction form
    91,052/198,708 = 198,708/x
  3. Step 3: Cross multiply
    91,052x = 198,708 × 198,708
  4. Step 4: Simplify right side
    91,052x = 39,484,869,264
  5. Step 5: Solve for x
    x = 39,484,869,264/91,052
  6. Step 6: Final answer
    x = 433,651.86

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.