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Finding the Third Proportional to 74,247 and 161,898

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Solution

The third proportional to 74,247 and 161,898 is: 353,023.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,247 : 161,898 = 161,898 : x
  2. Step 2: Convert to fraction form
    74,247/161,898 = 161,898/x
  3. Step 3: Cross multiply
    74,247x = 161,898 × 161,898
  4. Step 4: Simplify right side
    74,247x = 26,210,962,404
  5. Step 5: Solve for x
    x = 26,210,962,404/74,247
  6. Step 6: Final answer
    x = 353,023.86

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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.