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Finding the Third Proportional to 29,781 and 43,760.25

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Solution

The third proportional to 29,781 and 43,760.25 is: 64,301.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,781 : 43,760.25 = 43,760.25 : x
  2. Step 2: Convert to fraction form
    29,781/43,760.25 = 43,760.25/x
  3. Step 3: Cross multiply
    29,781x = 43,760.25 × 43,760.25
  4. Step 4: Simplify right side
    29,781x = 1,914,959,480.06
  5. Step 5: Solve for x
    x = 1,914,959,480.06/29,781
  6. Step 6: Final answer
    x = 64,301.38

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.