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Finding the Third Proportional to 1,387,827 and 2,177,583.75

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Solution

The third proportional to 1,387,827 and 2,177,583.75 is: 3,416,759.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,827 : 2,177,583.75 = 2,177,583.75 : x
  2. Step 2: Convert to fraction form
    1,387,827/2,177,583.75 = 2,177,583.75/x
  3. Step 3: Cross multiply
    1,387,827x = 2,177,583.75 × 2,177,583.75
  4. Step 4: Simplify right side
    1,387,827x = 4,741,870,988,264.06
  5. Step 5: Solve for x
    x = 4,741,870,988,264.06/1,387,827
  6. Step 6: Final answer
    x = 3,416,759.43

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.