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Finding the Third Proportional to 74,886 and 159,996

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Solution

The third proportional to 74,886 and 159,996 is: 341,835.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,886 : 159,996 = 159,996 : x
  2. Step 2: Convert to fraction form
    74,886/159,996 = 159,996/x
  3. Step 3: Cross multiply
    74,886x = 159,996 × 159,996
  4. Step 4: Simplify right side
    74,886x = 25,598,720,016
  5. Step 5: Solve for x
    x = 25,598,720,016/74,886
  6. Step 6: Final answer
    x = 341,835.86

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.