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Finding the Third Proportional to 677,768 and 903,587

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Solution

The third proportional to 677,768 and 903,587 is: 1,204,644.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,768 : 903,587 = 903,587 : x
  2. Step 2: Convert to fraction form
    677,768/903,587 = 903,587/x
  3. Step 3: Cross multiply
    677,768x = 903,587 × 903,587
  4. Step 4: Simplify right side
    677,768x = 816,469,466,569
  5. Step 5: Solve for x
    x = 816,469,466,569/677,768
  6. Step 6: Final answer
    x = 1,204,644.46

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.