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Finding the Third Proportional to 60,215 and 132,348

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Solution

The third proportional to 60,215 and 132,348 is: 290,890.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,215 : 132,348 = 132,348 : x
  2. Step 2: Convert to fraction form
    60,215/132,348 = 132,348/x
  3. Step 3: Cross multiply
    60,215x = 132,348 × 132,348
  4. Step 4: Simplify right side
    60,215x = 17,515,993,104
  5. Step 5: Solve for x
    x = 17,515,993,104/60,215
  6. Step 6: Final answer
    x = 290,890.86

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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.