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Finding the Third Proportional to 454,245.75 and 983,729.25

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Solution

The third proportional to 454,245.75 and 983,729.25 is: 2,130,395.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,245.75 : 983,729.25 = 983,729.25 : x
  2. Step 2: Convert to fraction form
    454,245.75/983,729.25 = 983,729.25/x
  3. Step 3: Cross multiply
    454,245.75x = 983,729.25 × 983,729.25
  4. Step 4: Simplify right side
    454,245.75x = 967,723,237,305.56
  5. Step 5: Solve for x
    x = 967,723,237,305.56/454,245.75
  6. Step 6: Final answer
    x = 2,130,395.80

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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.