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Finding the Third Proportional to 4,921.88 and 10,625.63

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Solution

The third proportional to 4,921.88 and 10,625.63 is: 22,939.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.88 : 10,625.63 = 10,625.63 : x
  2. Step 2: Convert to fraction form
    4,921.88/10,625.63 = 10,625.63/x
  3. Step 3: Cross multiply
    4,921.88x = 10,625.63 × 10,625.63
  4. Step 4: Simplify right side
    4,921.88x = 112,903,906.64
  5. Step 5: Solve for x
    x = 112,903,906.64/4,921.88
  6. Step 6: Final answer
    x = 22,939.21

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.