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Finding the Third Proportional to 366,940 and 808,376

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Solution

The third proportional to 366,940 and 808,376 is: 1,780,868.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,940 : 808,376 = 808,376 : x
  2. Step 2: Convert to fraction form
    366,940/808,376 = 808,376/x
  3. Step 3: Cross multiply
    366,940x = 808,376 × 808,376
  4. Step 4: Simplify right side
    366,940x = 653,471,757,376
  5. Step 5: Solve for x
    x = 653,471,757,376/366,940
  6. Step 6: Final answer
    x = 1,780,868.15

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.