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Finding the Third Proportional to 21,737 and 47,629

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Solution

The third proportional to 21,737 and 47,629 is: 104,362.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,737 : 47,629 = 47,629 : x
  2. Step 2: Convert to fraction form
    21,737/47,629 = 47,629/x
  3. Step 3: Cross multiply
    21,737x = 47,629 × 47,629
  4. Step 4: Simplify right side
    21,737x = 2,268,521,641
  5. Step 5: Solve for x
    x = 2,268,521,641/21,737
  6. Step 6: Final answer
    x = 104,362.22

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.