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Finding the Third Proportional to 388,977 and 804,952

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Solution

The third proportional to 388,977 and 804,952 is: 1,665,773.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,977 : 804,952 = 804,952 : x
  2. Step 2: Convert to fraction form
    388,977/804,952 = 804,952/x
  3. Step 3: Cross multiply
    388,977x = 804,952 × 804,952
  4. Step 4: Simplify right side
    388,977x = 647,947,722,304
  5. Step 5: Solve for x
    x = 647,947,722,304/388,977
  6. Step 6: Final answer
    x = 1,665,773.87

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.