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Finding the Third Proportional to 161,304 and 256,218

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Solution

The third proportional to 161,304 and 256,218 is: 406,981.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,304 : 256,218 = 256,218 : x
  2. Step 2: Convert to fraction form
    161,304/256,218 = 256,218/x
  3. Step 3: Cross multiply
    161,304x = 256,218 × 256,218
  4. Step 4: Simplify right side
    161,304x = 65,647,663,524
  5. Step 5: Solve for x
    x = 65,647,663,524/161,304
  6. Step 6: Final answer
    x = 406,981.00

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.