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Finding the Third Proportional to 370,845 and 813,861

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Solution

The third proportional to 370,845 and 813,861 is: 1,786,109.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,845 : 813,861 = 813,861 : x
  2. Step 2: Convert to fraction form
    370,845/813,861 = 813,861/x
  3. Step 3: Cross multiply
    370,845x = 813,861 × 813,861
  4. Step 4: Simplify right side
    370,845x = 662,369,727,321
  5. Step 5: Solve for x
    x = 662,369,727,321/370,845
  6. Step 6: Final answer
    x = 1,786,109.36

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.