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Finding the Third Proportional to 993,021.75 and 1,521,517.50

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Solution

The third proportional to 993,021.75 and 1,521,517.50 is: 2,331,283.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,021.75 : 1,521,517.50 = 1,521,517.50 : x
  2. Step 2: Convert to fraction form
    993,021.75/1,521,517.50 = 1,521,517.50/x
  3. Step 3: Cross multiply
    993,021.75x = 1,521,517.50 × 1,521,517.50
  4. Step 4: Simplify right side
    993,021.75x = 2,315,015,502,806.25
  5. Step 5: Solve for x
    x = 2,315,015,502,806.25/993,021.75
  6. Step 6: Final answer
    x = 2,331,283.78

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.