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Finding the Third Proportional to 536.63 and 815.06

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Solution

The third proportional to 536.63 and 815.06 is: 1,237.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.63 : 815.06 = 815.06 : x
  2. Step 2: Convert to fraction form
    536.63/815.06 = 815.06/x
  3. Step 3: Cross multiply
    536.63x = 815.06 × 815.06
  4. Step 4: Simplify right side
    536.63x = 664,326.88
  5. Step 5: Solve for x
    x = 664,326.88/536.63
  6. Step 6: Final answer
    x = 1,237.97

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.