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Finding the Third Proportional to 4,689 and 10,125

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Solution

The third proportional to 4,689 and 10,125 is: 21,863.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689 : 10,125 = 10,125 : x
  2. Step 2: Convert to fraction form
    4,689/10,125 = 10,125/x
  3. Step 3: Cross multiply
    4,689x = 10,125 × 10,125
  4. Step 4: Simplify right side
    4,689x = 102,515,625
  5. Step 5: Solve for x
    x = 102,515,625/4,689
  6. Step 6: Final answer
    x = 21,863.00

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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.