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Finding the Third Proportional to 74,483.50 and 161,474

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Solution

The third proportional to 74,483.50 and 161,474 is: 350,062.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,483.50 : 161,474 = 161,474 : x
  2. Step 2: Convert to fraction form
    74,483.50/161,474 = 161,474/x
  3. Step 3: Cross multiply
    74,483.50x = 161,474 × 161,474
  4. Step 4: Simplify right side
    74,483.50x = 26,073,852,676
  5. Step 5: Solve for x
    x = 26,073,852,676/74,483.50
  6. Step 6: Final answer
    x = 350,062.13

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.