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Finding the Third Proportional to 68,620 and 150,376

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Solution

The third proportional to 68,620 and 150,376 is: 329,538.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,620 : 150,376 = 150,376 : x
  2. Step 2: Convert to fraction form
    68,620/150,376 = 150,376/x
  3. Step 3: Cross multiply
    68,620x = 150,376 × 150,376
  4. Step 4: Simplify right side
    68,620x = 22,612,941,376
  5. Step 5: Solve for x
    x = 22,612,941,376/68,620
  6. Step 6: Final answer
    x = 329,538.64

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.