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Finding the Third Proportional to 376,670 and 813,091

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Solution

The third proportional to 376,670 and 813,091 is: 1,755,162.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,670 : 813,091 = 813,091 : x
  2. Step 2: Convert to fraction form
    376,670/813,091 = 813,091/x
  3. Step 3: Cross multiply
    376,670x = 813,091 × 813,091
  4. Step 4: Simplify right side
    376,670x = 661,116,974,281
  5. Step 5: Solve for x
    x = 661,116,974,281/376,670
  6. Step 6: Final answer
    x = 1,755,162.28

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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.