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Finding the Third Proportional to 454,278.50 and 988,099

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Solution

The third proportional to 454,278.50 and 988,099 is: 2,149,209.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,278.50 : 988,099 = 988,099 : x
  2. Step 2: Convert to fraction form
    454,278.50/988,099 = 988,099/x
  3. Step 3: Cross multiply
    454,278.50x = 988,099 × 988,099
  4. Step 4: Simplify right side
    454,278.50x = 976,339,633,801
  5. Step 5: Solve for x
    x = 976,339,633,801/454,278.50
  6. Step 6: Final answer
    x = 2,149,209.43

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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.