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Finding the Third Proportional to 29,422 and 64,676

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Solution

The third proportional to 29,422 and 64,676 is: 142,172.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,422 : 64,676 = 64,676 : x
  2. Step 2: Convert to fraction form
    29,422/64,676 = 64,676/x
  3. Step 3: Cross multiply
    29,422x = 64,676 × 64,676
  4. Step 4: Simplify right side
    29,422x = 4,182,984,976
  5. Step 5: Solve for x
    x = 4,182,984,976/29,422
  6. Step 6: Final answer
    x = 142,172.01

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.