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Finding the Third Proportional to 19,706 and 43,108

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Solution

The third proportional to 19,706 and 43,108 is: 94,301.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,706 : 43,108 = 43,108 : x
  2. Step 2: Convert to fraction form
    19,706/43,108 = 43,108/x
  3. Step 3: Cross multiply
    19,706x = 43,108 × 43,108
  4. Step 4: Simplify right side
    19,706x = 1,858,299,664
  5. Step 5: Solve for x
    x = 1,858,299,664/19,706
  6. Step 6: Final answer
    x = 94,301.21

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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.