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Finding the Third Proportional to 91,514 and 213,798

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Solution

The third proportional to 91,514 and 213,798 is: 499,481.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,514 : 213,798 = 213,798 : x
  2. Step 2: Convert to fraction form
    91,514/213,798 = 213,798/x
  3. Step 3: Cross multiply
    91,514x = 213,798 × 213,798
  4. Step 4: Simplify right side
    91,514x = 45,709,584,804
  5. Step 5: Solve for x
    x = 45,709,584,804/91,514
  6. Step 6: Final answer
    x = 499,481.88

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.