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Finding the Third Proportional to 106,576 and 159,128

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Solution

The third proportional to 106,576 and 159,128 is: 237,593.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,576 : 159,128 = 159,128 : x
  2. Step 2: Convert to fraction form
    106,576/159,128 = 159,128/x
  3. Step 3: Cross multiply
    106,576x = 159,128 × 159,128
  4. Step 4: Simplify right side
    106,576x = 25,321,720,384
  5. Step 5: Solve for x
    x = 25,321,720,384/106,576
  6. Step 6: Final answer
    x = 237,593.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.