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Finding the Third Proportional to 370,634 and 809,230

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Solution

The third proportional to 370,634 and 809,230 is: 1,766,845.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,634 : 809,230 = 809,230 : x
  2. Step 2: Convert to fraction form
    370,634/809,230 = 809,230/x
  3. Step 3: Cross multiply
    370,634x = 809,230 × 809,230
  4. Step 4: Simplify right side
    370,634x = 654,853,192,900
  5. Step 5: Solve for x
    x = 654,853,192,900/370,634
  6. Step 6: Final answer
    x = 1,766,845.98

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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.