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Finding the Third Proportional to 677,406 and 997,394

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Solution

The third proportional to 677,406 and 997,394 is: 1,468,535.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,406 : 997,394 = 997,394 : x
  2. Step 2: Convert to fraction form
    677,406/997,394 = 997,394/x
  3. Step 3: Cross multiply
    677,406x = 997,394 × 997,394
  4. Step 4: Simplify right side
    677,406x = 994,794,791,236
  5. Step 5: Solve for x
    x = 994,794,791,236/677,406
  6. Step 6: Final answer
    x = 1,468,535.55

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.