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Finding the Third Proportional to 644,551 and 1,391,594

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Solution

The third proportional to 644,551 and 1,391,594 is: 3,004,469.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,551 : 1,391,594 = 1,391,594 : x
  2. Step 2: Convert to fraction form
    644,551/1,391,594 = 1,391,594/x
  3. Step 3: Cross multiply
    644,551x = 1,391,594 × 1,391,594
  4. Step 4: Simplify right side
    644,551x = 1,936,533,860,836
  5. Step 5: Solve for x
    x = 1,936,533,860,836/644,551
  6. Step 6: Final answer
    x = 3,004,469.56

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.