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Finding the Third Proportional to 855,264 and 1,836,879

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Solution

The third proportional to 855,264 and 1,836,879 is: 3,945,126.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,264 : 1,836,879 = 1,836,879 : x
  2. Step 2: Convert to fraction form
    855,264/1,836,879 = 1,836,879/x
  3. Step 3: Cross multiply
    855,264x = 1,836,879 × 1,836,879
  4. Step 4: Simplify right side
    855,264x = 3,374,124,460,641
  5. Step 5: Solve for x
    x = 3,374,124,460,641/855,264
  6. Step 6: Final answer
    x = 3,945,126.25

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.