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Finding the Third Proportional to 443,901 and 676,908

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Solution

The third proportional to 443,901 and 676,908 is: 1,032,222.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,901 : 676,908 = 676,908 : x
  2. Step 2: Convert to fraction form
    443,901/676,908 = 676,908/x
  3. Step 3: Cross multiply
    443,901x = 676,908 × 676,908
  4. Step 4: Simplify right side
    443,901x = 458,204,440,464
  5. Step 5: Solve for x
    x = 458,204,440,464/443,901
  6. Step 6: Final answer
    x = 1,032,222.14

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.