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Finding the Third Proportional to 79,413 and 174,387

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Solution

The third proportional to 79,413 and 174,387 is: 382,945.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,413 : 174,387 = 174,387 : x
  2. Step 2: Convert to fraction form
    79,413/174,387 = 174,387/x
  3. Step 3: Cross multiply
    79,413x = 174,387 × 174,387
  4. Step 4: Simplify right side
    79,413x = 30,410,825,769
  5. Step 5: Solve for x
    x = 30,410,825,769/79,413
  6. Step 6: Final answer
    x = 382,945.18

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.