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Finding the Third Proportional to 1,380,764.25 and 2,857,396.50

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Solution

The third proportional to 1,380,764.25 and 2,857,396.50 is: 5,913,185.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,764.25 : 2,857,396.50 = 2,857,396.50 : x
  2. Step 2: Convert to fraction form
    1,380,764.25/2,857,396.50 = 2,857,396.50/x
  3. Step 3: Cross multiply
    1,380,764.25x = 2,857,396.50 × 2,857,396.50
  4. Step 4: Simplify right side
    1,380,764.25x = 8,164,714,758,212.25
  5. Step 5: Solve for x
    x = 8,164,714,758,212.25/1,380,764.25
  6. Step 6: Final answer
    x = 5,913,185.22

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.