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Finding the Third Proportional to 161,352 and 225,684

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Solution

The third proportional to 161,352 and 225,684 is: 315,665.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,352 : 225,684 = 225,684 : x
  2. Step 2: Convert to fraction form
    161,352/225,684 = 225,684/x
  3. Step 3: Cross multiply
    161,352x = 225,684 × 225,684
  4. Step 4: Simplify right side
    161,352x = 50,933,267,856
  5. Step 5: Solve for x
    x = 50,933,267,856/161,352
  6. Step 6: Final answer
    x = 315,665.55

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.