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Finding the Third Proportional to 1,805,047.88 and 3,964,344.75

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Solution

The third proportional to 1,805,047.88 and 3,964,344.75 is: 8,706,710.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,047.88 : 3,964,344.75 = 3,964,344.75 : x
  2. Step 2: Convert to fraction form
    1,805,047.88/3,964,344.75 = 3,964,344.75/x
  3. Step 3: Cross multiply
    1,805,047.88x = 3,964,344.75 × 3,964,344.75
  4. Step 4: Simplify right side
    1,805,047.88x = 15,716,029,296,852.56
  5. Step 5: Solve for x
    x = 15,716,029,296,852.56/1,805,047.88
  6. Step 6: Final answer
    x = 8,706,710.51

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.