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Finding the Third Proportional to 170,648 and 372,399

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Solution

The third proportional to 170,648 and 372,399 is: 812,672.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,648 : 372,399 = 372,399 : x
  2. Step 2: Convert to fraction form
    170,648/372,399 = 372,399/x
  3. Step 3: Cross multiply
    170,648x = 372,399 × 372,399
  4. Step 4: Simplify right side
    170,648x = 138,681,015,201
  5. Step 5: Solve for x
    x = 138,681,015,201/170,648
  6. Step 6: Final answer
    x = 812,672.96

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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.