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Finding the Third Proportional to 449,529.75 and 987,653.25

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Solution

The third proportional to 449,529.75 and 987,653.25 is: 2,169,954.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,529.75 : 987,653.25 = 987,653.25 : x
  2. Step 2: Convert to fraction form
    449,529.75/987,653.25 = 987,653.25/x
  3. Step 3: Cross multiply
    449,529.75x = 987,653.25 × 987,653.25
  4. Step 4: Simplify right side
    449,529.75x = 975,458,942,235.56
  5. Step 5: Solve for x
    x = 975,458,942,235.56/449,529.75
  6. Step 6: Final answer
    x = 2,169,954.14

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.