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Finding the Third Proportional to 87,922 and 136,056

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Solution

The third proportional to 87,922 and 136,056 is: 210,541.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,922 : 136,056 = 136,056 : x
  2. Step 2: Convert to fraction form
    87,922/136,056 = 136,056/x
  3. Step 3: Cross multiply
    87,922x = 136,056 × 136,056
  4. Step 4: Simplify right side
    87,922x = 18,511,235,136
  5. Step 5: Solve for x
    x = 18,511,235,136/87,922
  6. Step 6: Final answer
    x = 210,541.56

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.