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Finding the Third Proportional to 21,891 and 34,669.13

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Solution

The third proportional to 21,891 and 34,669.13 is: 54,906.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,891 : 34,669.13 = 34,669.13 : x
  2. Step 2: Convert to fraction form
    21,891/34,669.13 = 34,669.13/x
  3. Step 3: Cross multiply
    21,891x = 34,669.13 × 34,669.13
  4. Step 4: Simplify right side
    21,891x = 1,201,948,228.27
  5. Step 5: Solve for x
    x = 1,201,948,228.27/21,891
  6. Step 6: Final answer
    x = 54,906.04

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.