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Finding the Third Proportional to 921,721.50 and 2,012,286

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Solution

The third proportional to 921,721.50 and 2,012,286 is: 4,393,187.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,721.50 : 2,012,286 = 2,012,286 : x
  2. Step 2: Convert to fraction form
    921,721.50/2,012,286 = 2,012,286/x
  3. Step 3: Cross multiply
    921,721.50x = 2,012,286 × 2,012,286
  4. Step 4: Simplify right side
    921,721.50x = 4,049,294,945,796
  5. Step 5: Solve for x
    x = 4,049,294,945,796/921,721.50
  6. Step 6: Final answer
    x = 4,393,187.04

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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.