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Finding the Third Proportional to 377,016 and 820,370

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Solution

The third proportional to 377,016 and 820,370 is: 1,785,088.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,016 : 820,370 = 820,370 : x
  2. Step 2: Convert to fraction form
    377,016/820,370 = 820,370/x
  3. Step 3: Cross multiply
    377,016x = 820,370 × 820,370
  4. Step 4: Simplify right side
    377,016x = 673,006,936,900
  5. Step 5: Solve for x
    x = 673,006,936,900/377,016
  6. Step 6: Final answer
    x = 1,785,088.53

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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.