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Finding the Third Proportional to 627,716 and 805,974

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Solution

The third proportional to 627,716 and 805,974 is: 1,034,853.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,716 : 805,974 = 805,974 : x
  2. Step 2: Convert to fraction form
    627,716/805,974 = 805,974/x
  3. Step 3: Cross multiply
    627,716x = 805,974 × 805,974
  4. Step 4: Simplify right side
    627,716x = 649,594,088,676
  5. Step 5: Solve for x
    x = 649,594,088,676/627,716
  6. Step 6: Final answer
    x = 1,034,853.48

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.