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Finding the Third Proportional to 370,758 and 809,474

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Solution

The third proportional to 370,758 and 809,474 is: 1,767,320.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,758 : 809,474 = 809,474 : x
  2. Step 2: Convert to fraction form
    370,758/809,474 = 809,474/x
  3. Step 3: Cross multiply
    370,758x = 809,474 × 809,474
  4. Step 4: Simplify right side
    370,758x = 655,248,156,676
  5. Step 5: Solve for x
    x = 655,248,156,676/370,758
  6. Step 6: Final answer
    x = 1,767,320.35

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.