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Finding the Third Proportional to 419,482 and 908,948

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Solution

The third proportional to 419,482 and 908,948 is: 1,969,539.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,482 : 908,948 = 908,948 : x
  2. Step 2: Convert to fraction form
    419,482/908,948 = 908,948/x
  3. Step 3: Cross multiply
    419,482x = 908,948 × 908,948
  4. Step 4: Simplify right side
    419,482x = 826,186,466,704
  5. Step 5: Solve for x
    x = 826,186,466,704/419,482
  6. Step 6: Final answer
    x = 1,969,539.73

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.