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Finding the Third Proportional to 170,655 and 372,366

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Solution

The third proportional to 170,655 and 372,366 is: 812,495.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,655 : 372,366 = 372,366 : x
  2. Step 2: Convert to fraction form
    170,655/372,366 = 372,366/x
  3. Step 3: Cross multiply
    170,655x = 372,366 × 372,366
  4. Step 4: Simplify right side
    170,655x = 138,656,437,956
  5. Step 5: Solve for x
    x = 138,656,437,956/170,655
  6. Step 6: Final answer
    x = 812,495.61

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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.