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Finding the Third Proportional to 538.21 and 1,166.12

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Solution

The third proportional to 538.21 and 1,166.12 is: 2,526.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    538.21 : 1,166.12 = 1,166.12 : x
  2. Step 2: Convert to fraction form
    538.21/1,166.12 = 1,166.12/x
  3. Step 3: Cross multiply
    538.21x = 1,166.12 × 1,166.12
  4. Step 4: Simplify right side
    538.21x = 1,359,824.74
  5. Step 5: Solve for x
    x = 1,359,824.74/538.21
  6. Step 6: Final answer
    x = 2,526.58

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.