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Finding the Third Proportional to 2,130.75 and 4,626

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Solution

The third proportional to 2,130.75 and 4,626 is: 10,043.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130.75 : 4,626 = 4,626 : x
  2. Step 2: Convert to fraction form
    2,130.75/4,626 = 4,626/x
  3. Step 3: Cross multiply
    2,130.75x = 4,626 × 4,626
  4. Step 4: Simplify right side
    2,130.75x = 21,399,876
  5. Step 5: Solve for x
    x = 21,399,876/2,130.75
  6. Step 6: Final answer
    x = 10,043.35

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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.