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Finding the Third Proportional to 213,937.50 and 458,236.50

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Solution

The third proportional to 213,937.50 and 458,236.50 is: 981,504.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,937.50 : 458,236.50 = 458,236.50 : x
  2. Step 2: Convert to fraction form
    213,937.50/458,236.50 = 458,236.50/x
  3. Step 3: Cross multiply
    213,937.50x = 458,236.50 × 458,236.50
  4. Step 4: Simplify right side
    213,937.50x = 209,980,689,932.25
  5. Step 5: Solve for x
    x = 209,980,689,932.25/213,937.50
  6. Step 6: Final answer
    x = 981,504.83

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.