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Finding the Third Proportional to 715,679 and 1,543,450

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Solution

The third proportional to 715,679 and 1,543,450 is: 3,328,640.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,679 : 1,543,450 = 1,543,450 : x
  2. Step 2: Convert to fraction form
    715,679/1,543,450 = 1,543,450/x
  3. Step 3: Cross multiply
    715,679x = 1,543,450 × 1,543,450
  4. Step 4: Simplify right side
    715,679x = 2,382,237,902,500
  5. Step 5: Solve for x
    x = 2,382,237,902,500/715,679
  6. Step 6: Final answer
    x = 3,328,640.22

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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.