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Finding the Third Proportional to 73,945 and 161,100

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Solution

The third proportional to 73,945 and 161,100 is: 350,979.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,945 : 161,100 = 161,100 : x
  2. Step 2: Convert to fraction form
    73,945/161,100 = 161,100/x
  3. Step 3: Cross multiply
    73,945x = 161,100 × 161,100
  4. Step 4: Simplify right side
    73,945x = 25,953,210,000
  5. Step 5: Solve for x
    x = 25,953,210,000/73,945
  6. Step 6: Final answer
    x = 350,979.92

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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.