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Finding the Third Proportional to 73,128 and 159,654

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Solution

The third proportional to 73,128 and 159,654 is: 348,558.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,128 : 159,654 = 159,654 : x
  2. Step 2: Convert to fraction form
    73,128/159,654 = 159,654/x
  3. Step 3: Cross multiply
    73,128x = 159,654 × 159,654
  4. Step 4: Simplify right side
    73,128x = 25,489,399,716
  5. Step 5: Solve for x
    x = 25,489,399,716/73,128
  6. Step 6: Final answer
    x = 348,558.69

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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.