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Finding the Third Proportional to 98,057.50 and 211,667

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Solution

The third proportional to 98,057.50 and 211,667 is: 456,904.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,057.50 : 211,667 = 211,667 : x
  2. Step 2: Convert to fraction form
    98,057.50/211,667 = 211,667/x
  3. Step 3: Cross multiply
    98,057.50x = 211,667 × 211,667
  4. Step 4: Simplify right side
    98,057.50x = 44,802,918,889
  5. Step 5: Solve for x
    x = 44,802,918,889/98,057.50
  6. Step 6: Final answer
    x = 456,904.56

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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.