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Finding the Third Proportional to 370,884 and 800,900

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Solution

The third proportional to 370,884 and 800,900 is: 1,729,491.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,884 : 800,900 = 800,900 : x
  2. Step 2: Convert to fraction form
    370,884/800,900 = 800,900/x
  3. Step 3: Cross multiply
    370,884x = 800,900 × 800,900
  4. Step 4: Simplify right side
    370,884x = 641,440,810,000
  5. Step 5: Solve for x
    x = 641,440,810,000/370,884
  6. Step 6: Final answer
    x = 1,729,491.73

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.