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Finding the Third Proportional to 756.44 and 1,026.56

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Solution

The third proportional to 756.44 and 1,026.56 is: 1,393.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    756.44 : 1,026.56 = 1,026.56 : x
  2. Step 2: Convert to fraction form
    756.44/1,026.56 = 1,026.56/x
  3. Step 3: Cross multiply
    756.44x = 1,026.56 × 1,026.56
  4. Step 4: Simplify right side
    756.44x = 1,053,830.57
  5. Step 5: Solve for x
    x = 1,053,830.57/756.44
  6. Step 6: Final answer
    x = 1,393.15

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.