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Finding the Third Proportional to 74,844 and 161,352

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Solution

The third proportional to 74,844 and 161,352 is: 347,849.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,844 : 161,352 = 161,352 : x
  2. Step 2: Convert to fraction form
    74,844/161,352 = 161,352/x
  3. Step 3: Cross multiply
    74,844x = 161,352 × 161,352
  4. Step 4: Simplify right side
    74,844x = 26,034,467,904
  5. Step 5: Solve for x
    x = 26,034,467,904/74,844
  6. Step 6: Final answer
    x = 347,849.77

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.