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Finding the Third Proportional to 70,949.25 and 151,287.75

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Solution

The third proportional to 70,949.25 and 151,287.75 is: 322,596.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,949.25 : 151,287.75 = 151,287.75 : x
  2. Step 2: Convert to fraction form
    70,949.25/151,287.75 = 151,287.75/x
  3. Step 3: Cross multiply
    70,949.25x = 151,287.75 × 151,287.75
  4. Step 4: Simplify right side
    70,949.25x = 22,887,983,300.06
  5. Step 5: Solve for x
    x = 22,887,983,300.06/70,949.25
  6. Step 6: Final answer
    x = 322,596.55

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.