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Finding the Third Proportional to 921,690 and 2,004,948

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Solution

The third proportional to 921,690 and 2,004,948 is: 4,361,354.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,690 : 2,004,948 = 2,004,948 : x
  2. Step 2: Convert to fraction form
    921,690/2,004,948 = 2,004,948/x
  3. Step 3: Cross multiply
    921,690x = 2,004,948 × 2,004,948
  4. Step 4: Simplify right side
    921,690x = 4,019,816,482,704
  5. Step 5: Solve for x
    x = 4,019,816,482,704/921,690
  6. Step 6: Final answer
    x = 4,361,354.12

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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.