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Finding the Third Proportional to 795.75 and 1,278.56

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Solution

The third proportional to 795.75 and 1,278.56 is: 2,054.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.75 : 1,278.56 = 1,278.56 : x
  2. Step 2: Convert to fraction form
    795.75/1,278.56 = 1,278.56/x
  3. Step 3: Cross multiply
    795.75x = 1,278.56 × 1,278.56
  4. Step 4: Simplify right side
    795.75x = 1,634,722.07
  5. Step 5: Solve for x
    x = 1,634,722.07/795.75
  6. Step 6: Final answer
    x = 2,054.32

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.