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Finding the Third Proportional to 75,644 and 161,224

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Solution

The third proportional to 75,644 and 161,224 is: 343,625.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,644 : 161,224 = 161,224 : x
  2. Step 2: Convert to fraction form
    75,644/161,224 = 161,224/x
  3. Step 3: Cross multiply
    75,644x = 161,224 × 161,224
  4. Step 4: Simplify right side
    75,644x = 25,993,178,176
  5. Step 5: Solve for x
    x = 25,993,178,176/75,644
  6. Step 6: Final answer
    x = 343,625.11

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.