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Finding the Third Proportional to 45,381 and 98,214

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Solution

The third proportional to 45,381 and 98,214 is: 212,555.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,381 : 98,214 = 98,214 : x
  2. Step 2: Convert to fraction form
    45,381/98,214 = 98,214/x
  3. Step 3: Cross multiply
    45,381x = 98,214 × 98,214
  4. Step 4: Simplify right side
    45,381x = 9,645,989,796
  5. Step 5: Solve for x
    x = 9,645,989,796/45,381
  6. Step 6: Final answer
    x = 212,555.69

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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.