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Finding the Third Proportional to 388,975 and 804,948

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Solution

The third proportional to 388,975 and 804,948 is: 1,665,765.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,975 : 804,948 = 804,948 : x
  2. Step 2: Convert to fraction form
    388,975/804,948 = 804,948/x
  3. Step 3: Cross multiply
    388,975x = 804,948 × 804,948
  4. Step 4: Simplify right side
    388,975x = 647,941,282,704
  5. Step 5: Solve for x
    x = 647,941,282,704/388,975
  6. Step 6: Final answer
    x = 1,665,765.88

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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.