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Finding the Third Proportional to 1,075,742.44 and 1,679,040.56

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Solution

The third proportional to 1,075,742.44 and 1,679,040.56 is: 2,620,680.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,742.44 : 1,679,040.56 = 1,679,040.56 : x
  2. Step 2: Convert to fraction form
    1,075,742.44/1,679,040.56 = 1,679,040.56/x
  3. Step 3: Cross multiply
    1,075,742.44x = 1,679,040.56 × 1,679,040.56
  4. Step 4: Simplify right side
    1,075,742.44x = 2,819,177,210,520.32
  5. Step 5: Solve for x
    x = 2,819,177,210,520.32/1,075,742.44
  6. Step 6: Final answer
    x = 2,620,680.48

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.