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Finding the Third Proportional to 27,942 and 60,240

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Solution

The third proportional to 27,942 and 60,240 is: 129,871.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,942 : 60,240 = 60,240 : x
  2. Step 2: Convert to fraction form
    27,942/60,240 = 60,240/x
  3. Step 3: Cross multiply
    27,942x = 60,240 × 60,240
  4. Step 4: Simplify right side
    27,942x = 3,628,857,600
  5. Step 5: Solve for x
    x = 3,628,857,600/27,942
  6. Step 6: Final answer
    x = 129,871.08

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.