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Finding the Third Proportional to 60,418 and 131,216

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Solution

The third proportional to 60,418 and 131,216 is: 284,975.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,418 : 131,216 = 131,216 : x
  2. Step 2: Convert to fraction form
    60,418/131,216 = 131,216/x
  3. Step 3: Cross multiply
    60,418x = 131,216 × 131,216
  4. Step 4: Simplify right side
    60,418x = 17,217,638,656
  5. Step 5: Solve for x
    x = 17,217,638,656/60,418
  6. Step 6: Final answer
    x = 284,975.32

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.