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Finding the Third Proportional to 760.78 and 2,069.44

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Solution

The third proportional to 760.78 and 2,069.44 is: 5,629.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    760.78 : 2,069.44 = 2,069.44 : x
  2. Step 2: Convert to fraction form
    760.78/2,069.44 = 2,069.44/x
  3. Step 3: Cross multiply
    760.78x = 2,069.44 × 2,069.44
  4. Step 4: Simplify right side
    760.78x = 4,282,571.57
  5. Step 5: Solve for x
    x = 4,282,571.57/760.78
  6. Step 6: Final answer
    x = 5,629.18

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Why These Related Problems?

These problems maintain the same ratio (2.72) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.