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Finding the Third Proportional to 565.31 and 675.84

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Solution

The third proportional to 565.31 and 675.84 is: 807.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    565.31 : 675.84 = 675.84 : x
  2. Step 2: Convert to fraction form
    565.31/675.84 = 675.84/x
  3. Step 3: Cross multiply
    565.31x = 675.84 × 675.84
  4. Step 4: Simplify right side
    565.31x = 456,764.77
  5. Step 5: Solve for x
    x = 456,764.77/565.31
  6. Step 6: Final answer
    x = 807.99

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Why These Related Problems?

These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.