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Finding the Third Proportional to 565.50 and 771.75

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Solution

The third proportional to 565.50 and 771.75 is: 1,053.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    565.50 : 771.75 = 771.75 : x
  2. Step 2: Convert to fraction form
    565.50/771.75 = 771.75/x
  3. Step 3: Cross multiply
    565.50x = 771.75 × 771.75
  4. Step 4: Simplify right side
    565.50x = 595,598.06
  5. Step 5: Solve for x
    x = 595,598.06/565.50
  6. Step 6: Final answer
    x = 1,053.22

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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.