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Finding the Third Proportional to 45,215 and 98,213.50

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Solution

The third proportional to 45,215 and 98,213.50 is: 213,333.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,215 : 98,213.50 = 98,213.50 : x
  2. Step 2: Convert to fraction form
    45,215/98,213.50 = 98,213.50/x
  3. Step 3: Cross multiply
    45,215x = 98,213.50 × 98,213.50
  4. Step 4: Simplify right side
    45,215x = 9,645,891,582.25
  5. Step 5: Solve for x
    x = 9,645,891,582.25/45,215
  6. Step 6: Final answer
    x = 213,333.88

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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.