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Finding the Third Proportional to 1,569.66 and 3,412.41

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Solution

The third proportional to 1,569.66 and 3,412.41 is: 7,418.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.66 : 3,412.41 = 3,412.41 : x
  2. Step 2: Convert to fraction form
    1,569.66/3,412.41 = 3,412.41/x
  3. Step 3: Cross multiply
    1,569.66x = 3,412.41 × 3,412.41
  4. Step 4: Simplify right side
    1,569.66x = 11,644,516.42
  5. Step 5: Solve for x
    x = 11,644,516.42/1,569.66
  6. Step 6: Final answer
    x = 7,418.51

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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.