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Finding the Third Proportional to 447,999 and 948,465.75

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Solution

The third proportional to 447,999 and 948,465.75 is: 2,008,011.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,999 : 948,465.75 = 948,465.75 : x
  2. Step 2: Convert to fraction form
    447,999/948,465.75 = 948,465.75/x
  3. Step 3: Cross multiply
    447,999x = 948,465.75 × 948,465.75
  4. Step 4: Simplify right side
    447,999x = 899,587,278,923.06
  5. Step 5: Solve for x
    x = 899,587,278,923.06/447,999
  6. Step 6: Final answer
    x = 2,008,011.80

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.