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Finding the Third Proportional to 2,214.75 and 4,751.63

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Solution

The third proportional to 2,214.75 and 4,751.63 is: 10,194.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214.75 : 4,751.63 = 4,751.63 : x
  2. Step 2: Convert to fraction form
    2,214.75/4,751.63 = 4,751.63/x
  3. Step 3: Cross multiply
    2,214.75x = 4,751.63 × 4,751.63
  4. Step 4: Simplify right side
    2,214.75x = 22,577,940.14
  5. Step 5: Solve for x
    x = 22,577,940.14/2,214.75
  6. Step 6: Final answer
    x = 10,194.35

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.