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Finding the Third Proportional to 170,448 and 372,000

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Solution

The third proportional to 170,448 and 372,000 is: 811,883.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,448 : 372,000 = 372,000 : x
  2. Step 2: Convert to fraction form
    170,448/372,000 = 372,000/x
  3. Step 3: Cross multiply
    170,448x = 372,000 × 372,000
  4. Step 4: Simplify right side
    170,448x = 138,384,000,000
  5. Step 5: Solve for x
    x = 138,384,000,000/170,448
  6. Step 6: Final answer
    x = 811,883.98

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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.