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Finding the Third Proportional to 536 and 931

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Solution

The third proportional to 536 and 931 is: 1,617.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    536 : 931 = 931 : x
  2. Step 2: Convert to fraction form
    536/931 = 931/x
  3. Step 3: Cross multiply
    536x = 931 × 931
  4. Step 4: Simplify right side
    536x = 866,761
  5. Step 5: Solve for x
    x = 866,761/536
  6. Step 6: Final answer
    x = 1,617.09

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Why These Related Problems?

These problems maintain the same ratio (1.74) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.