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Finding the Third Proportional to 1,872,213.75 and 2,819,063.25

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Solution

The third proportional to 1,872,213.75 and 2,819,063.25 is: 4,244,770.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,213.75 : 2,819,063.25 = 2,819,063.25 : x
  2. Step 2: Convert to fraction form
    1,872,213.75/2,819,063.25 = 2,819,063.25/x
  3. Step 3: Cross multiply
    1,872,213.75x = 2,819,063.25 × 2,819,063.25
  4. Step 4: Simplify right side
    1,872,213.75x = 7,947,117,607,500.56
  5. Step 5: Solve for x
    x = 7,947,117,607,500.56/1,872,213.75
  6. Step 6: Final answer
    x = 4,244,770.45

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.