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Finding the Third Proportional to 2,126.25 and 3,020.63

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Solution

The third proportional to 2,126.25 and 3,020.63 is: 4,291.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.25 : 3,020.63 = 3,020.63 : x
  2. Step 2: Convert to fraction form
    2,126.25/3,020.63 = 3,020.63/x
  3. Step 3: Cross multiply
    2,126.25x = 3,020.63 × 3,020.63
  4. Step 4: Simplify right side
    2,126.25x = 9,124,175.39
  5. Step 5: Solve for x
    x = 9,124,175.39/2,126.25
  6. Step 6: Final answer
    x = 4,291.21

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.