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Finding the Third Proportional to 2,203 and 4,729

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Solution

The third proportional to 2,203 and 4,729 is: 10,151.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203 : 4,729 = 4,729 : x
  2. Step 2: Convert to fraction form
    2,203/4,729 = 4,729/x
  3. Step 3: Cross multiply
    2,203x = 4,729 × 4,729
  4. Step 4: Simplify right side
    2,203x = 22,363,441
  5. Step 5: Solve for x
    x = 22,363,441/2,203
  6. Step 6: Final answer
    x = 10,151.36

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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.