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Finding the Third Proportional to 395,322 and 869,366

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Solution

The third proportional to 395,322 and 869,366 is: 1,911,852.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,322 : 869,366 = 869,366 : x
  2. Step 2: Convert to fraction form
    395,322/869,366 = 869,366/x
  3. Step 3: Cross multiply
    395,322x = 869,366 × 869,366
  4. Step 4: Simplify right side
    395,322x = 755,797,241,956
  5. Step 5: Solve for x
    x = 755,797,241,956/395,322
  6. Step 6: Final answer
    x = 1,911,852.22

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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.