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Finding the Third Proportional to 73,272 and 159,666

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Solution

The third proportional to 73,272 and 159,666 is: 347,925.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,272 : 159,666 = 159,666 : x
  2. Step 2: Convert to fraction form
    73,272/159,666 = 159,666/x
  3. Step 3: Cross multiply
    73,272x = 159,666 × 159,666
  4. Step 4: Simplify right side
    73,272x = 25,493,231,556
  5. Step 5: Solve for x
    x = 25,493,231,556/73,272
  6. Step 6: Final answer
    x = 347,925.97

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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.