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Finding the Third Proportional to 151,927.50 and 331,189.50

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Solution

The third proportional to 151,927.50 and 331,189.50 is: 721,965.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,927.50 : 331,189.50 = 331,189.50 : x
  2. Step 2: Convert to fraction form
    151,927.50/331,189.50 = 331,189.50/x
  3. Step 3: Cross multiply
    151,927.50x = 331,189.50 × 331,189.50
  4. Step 4: Simplify right side
    151,927.50x = 109,686,484,910.25
  5. Step 5: Solve for x
    x = 109,686,484,910.25/151,927.50
  6. Step 6: Final answer
    x = 721,965.97

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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.