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Finding the Third Proportional to 489,832 and 756,593

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Solution

The third proportional to 489,832 and 756,593 is: 1,168,631.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,832 : 756,593 = 756,593 : x
  2. Step 2: Convert to fraction form
    489,832/756,593 = 756,593/x
  3. Step 3: Cross multiply
    489,832x = 756,593 × 756,593
  4. Step 4: Simplify right side
    489,832x = 572,432,967,649
  5. Step 5: Solve for x
    x = 572,432,967,649/489,832
  6. Step 6: Final answer
    x = 1,168,631.22

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.