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Finding the Third Proportional to 4,012.88 and 5,324.63

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Solution

The third proportional to 4,012.88 and 5,324.63 is: 7,065.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012.88 : 5,324.63 = 5,324.63 : x
  2. Step 2: Convert to fraction form
    4,012.88/5,324.63 = 5,324.63/x
  3. Step 3: Cross multiply
    4,012.88x = 5,324.63 × 5,324.63
  4. Step 4: Simplify right side
    4,012.88x = 28,351,631.39
  5. Step 5: Solve for x
    x = 28,351,631.39/4,012.88
  6. Step 6: Final answer
    x = 7,065.17

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.