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Finding the Third Proportional to 170,646 and 372,396

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Solution

The third proportional to 170,646 and 372,396 is: 812,669.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,646 : 372,396 = 372,396 : x
  2. Step 2: Convert to fraction form
    170,646/372,396 = 372,396/x
  3. Step 3: Cross multiply
    170,646x = 372,396 × 372,396
  4. Step 4: Simplify right side
    170,646x = 138,678,780,816
  5. Step 5: Solve for x
    x = 138,678,780,816/170,646
  6. Step 6: Final answer
    x = 812,669.39

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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.