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Finding the Third Proportional to 370,674 and 809,317

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Solution

The third proportional to 370,674 and 809,317 is: 1,767,035.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,674 : 809,317 = 809,317 : x
  2. Step 2: Convert to fraction form
    370,674/809,317 = 809,317/x
  3. Step 3: Cross multiply
    370,674x = 809,317 × 809,317
  4. Step 4: Simplify right side
    370,674x = 654,994,006,489
  5. Step 5: Solve for x
    x = 654,994,006,489/370,674
  6. Step 6: Final answer
    x = 1,767,035.20

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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.