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Finding the Third Proportional to 504 and 774.75

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Solution

The third proportional to 504 and 774.75 is: 1,190.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    504 : 774.75 = 774.75 : x
  2. Step 2: Convert to fraction form
    504/774.75 = 774.75/x
  3. Step 3: Cross multiply
    504x = 774.75 × 774.75
  4. Step 4: Simplify right side
    504x = 600,237.56
  5. Step 5: Solve for x
    x = 600,237.56/504
  6. Step 6: Final answer
    x = 1,190.95

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.