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Finding the Third Proportional to 595.25 and 815.88

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Solution

The third proportional to 595.25 and 815.88 is: 1,118.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.25 : 815.88 = 815.88 : x
  2. Step 2: Convert to fraction form
    595.25/815.88 = 815.88/x
  3. Step 3: Cross multiply
    595.25x = 815.88 × 815.88
  4. Step 4: Simplify right side
    595.25x = 665,652.02
  5. Step 5: Solve for x
    x = 665,652.02/595.25
  6. Step 6: Final answer
    x = 1,118.27

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.