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Finding the Third Proportional to 45,340 and 98,212

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Solution

The third proportional to 45,340 and 98,212 is: 212,739.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,340 : 98,212 = 98,212 : x
  2. Step 2: Convert to fraction form
    45,340/98,212 = 98,212/x
  3. Step 3: Cross multiply
    45,340x = 98,212 × 98,212
  4. Step 4: Simplify right side
    45,340x = 9,645,596,944
  5. Step 5: Solve for x
    x = 9,645,596,944/45,340
  6. Step 6: Final answer
    x = 212,739.24

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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.