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Finding the Third Proportional to 388,170 and 848,751

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Solution

The third proportional to 388,170 and 848,751 is: 1,855,831.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,170 : 848,751 = 848,751 : x
  2. Step 2: Convert to fraction form
    388,170/848,751 = 848,751/x
  3. Step 3: Cross multiply
    388,170x = 848,751 × 848,751
  4. Step 4: Simplify right side
    388,170x = 720,378,260,001
  5. Step 5: Solve for x
    x = 720,378,260,001/388,170
  6. Step 6: Final answer
    x = 1,855,831.88

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.