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Finding the Third Proportional to 239,208.75 and 325,009.13

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Solution

The third proportional to 239,208.75 and 325,009.13 is: 441,584.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,208.75 : 325,009.13 = 325,009.13 : x
  2. Step 2: Convert to fraction form
    239,208.75/325,009.13 = 325,009.13/x
  3. Step 3: Cross multiply
    239,208.75x = 325,009.13 × 325,009.13
  4. Step 4: Simplify right side
    239,208.75x = 105,630,931,333.27
  5. Step 5: Solve for x
    x = 105,630,931,333.27/239,208.75
  6. Step 6: Final answer
    x = 441,584.73

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.