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Finding the Third Proportional to 379,440 and 827,568

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Solution

The third proportional to 379,440 and 827,568 is: 1,804,946.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,440 : 827,568 = 827,568 : x
  2. Step 2: Convert to fraction form
    379,440/827,568 = 827,568/x
  3. Step 3: Cross multiply
    379,440x = 827,568 × 827,568
  4. Step 4: Simplify right side
    379,440x = 684,868,794,624
  5. Step 5: Solve for x
    x = 684,868,794,624/379,440
  6. Step 6: Final answer
    x = 1,804,946.22

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.