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Finding the Third Proportional to 28,542 and 61,336

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Solution

The third proportional to 28,542 and 61,336 is: 131,809.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,542 : 61,336 = 61,336 : x
  2. Step 2: Convert to fraction form
    28,542/61,336 = 61,336/x
  3. Step 3: Cross multiply
    28,542x = 61,336 × 61,336
  4. Step 4: Simplify right side
    28,542x = 3,762,104,896
  5. Step 5: Solve for x
    x = 3,762,104,896/28,542
  6. Step 6: Final answer
    x = 131,809.44

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.