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Finding the Third Proportional to 395,602 and 871,879

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Solution

The third proportional to 395,602 and 871,879 is: 1,921,560.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,602 : 871,879 = 871,879 : x
  2. Step 2: Convert to fraction form
    395,602/871,879 = 871,879/x
  3. Step 3: Cross multiply
    395,602x = 871,879 × 871,879
  4. Step 4: Simplify right side
    395,602x = 760,172,990,641
  5. Step 5: Solve for x
    x = 760,172,990,641/395,602
  6. Step 6: Final answer
    x = 1,921,560.03

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.