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Finding the Third Proportional to 377,084 and 813,206

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Solution

The third proportional to 377,084 and 813,206 is: 1,753,731.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,084 : 813,206 = 813,206 : x
  2. Step 2: Convert to fraction form
    377,084/813,206 = 813,206/x
  3. Step 3: Cross multiply
    377,084x = 813,206 × 813,206
  4. Step 4: Simplify right side
    377,084x = 661,303,998,436
  5. Step 5: Solve for x
    x = 661,303,998,436/377,084
  6. Step 6: Final answer
    x = 1,753,731.26

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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.