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Finding the Third Proportional to 10,272.75 and 21,869.44

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Solution

The third proportional to 10,272.75 and 21,869.44 is: 46,557.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272.75 : 21,869.44 = 21,869.44 : x
  2. Step 2: Convert to fraction form
    10,272.75/21,869.44 = 21,869.44/x
  3. Step 3: Cross multiply
    10,272.75x = 21,869.44 × 21,869.44
  4. Step 4: Simplify right side
    10,272.75x = 478,272,296.57
  5. Step 5: Solve for x
    x = 478,272,296.57/10,272.75
  6. Step 6: Final answer
    x = 46,557.38

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.