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Finding the Third Proportional to 680,553 and 1,044,621

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Solution

The third proportional to 680,553 and 1,044,621 is: 1,603,450.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,553 : 1,044,621 = 1,044,621 : x
  2. Step 2: Convert to fraction form
    680,553/1,044,621 = 1,044,621/x
  3. Step 3: Cross multiply
    680,553x = 1,044,621 × 1,044,621
  4. Step 4: Simplify right side
    680,553x = 1,091,233,033,641
  5. Step 5: Solve for x
    x = 1,091,233,033,641/680,553
  6. Step 6: Final answer
    x = 1,603,450.48

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.