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Finding the Third Proportional to 226,957.50 and 318,073.50

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Solution

The third proportional to 226,957.50 and 318,073.50 is: 445,769.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,957.50 : 318,073.50 = 318,073.50 : x
  2. Step 2: Convert to fraction form
    226,957.50/318,073.50 = 318,073.50/x
  3. Step 3: Cross multiply
    226,957.50x = 318,073.50 × 318,073.50
  4. Step 4: Simplify right side
    226,957.50x = 101,170,751,402.25
  5. Step 5: Solve for x
    x = 101,170,751,402.25/226,957.50
  6. Step 6: Final answer
    x = 445,769.59

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.