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Finding the Third Proportional to 74,241 and 159,970

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Solution

The third proportional to 74,241 and 159,970 is: 344,693.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,241 : 159,970 = 159,970 : x
  2. Step 2: Convert to fraction form
    74,241/159,970 = 159,970/x
  3. Step 3: Cross multiply
    74,241x = 159,970 × 159,970
  4. Step 4: Simplify right side
    74,241x = 25,590,400,900
  5. Step 5: Solve for x
    x = 25,590,400,900/74,241
  6. Step 6: Final answer
    x = 344,693.65

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.