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Finding the Third Proportional to 179,865 and 388,548

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Solution

The third proportional to 179,865 and 388,548 is: 839,349.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,865 : 388,548 = 388,548 : x
  2. Step 2: Convert to fraction form
    179,865/388,548 = 388,548/x
  3. Step 3: Cross multiply
    179,865x = 388,548 × 388,548
  4. Step 4: Simplify right side
    179,865x = 150,969,548,304
  5. Step 5: Solve for x
    x = 150,969,548,304/179,865
  6. Step 6: Final answer
    x = 839,349.22

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.