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Finding the Third Proportional to 395,289 and 591,853.50

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Solution

The third proportional to 395,289 and 591,853.50 is: 886,163.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,289 : 591,853.50 = 591,853.50 : x
  2. Step 2: Convert to fraction form
    395,289/591,853.50 = 591,853.50/x
  3. Step 3: Cross multiply
    395,289x = 591,853.50 × 591,853.50
  4. Step 4: Simplify right side
    395,289x = 350,290,565,462.25
  5. Step 5: Solve for x
    x = 350,290,565,462.25/395,289
  6. Step 6: Final answer
    x = 886,163.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.