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Finding the Third Proportional to 253,313.50 and 395,306.50

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Solution

The third proportional to 253,313.50 and 395,306.50 is: 616,892.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,313.50 : 395,306.50 = 395,306.50 : x
  2. Step 2: Convert to fraction form
    253,313.50/395,306.50 = 395,306.50/x
  3. Step 3: Cross multiply
    253,313.50x = 395,306.50 × 395,306.50
  4. Step 4: Simplify right side
    253,313.50x = 156,267,228,942.25
  5. Step 5: Solve for x
    x = 156,267,228,942.25/253,313.50
  6. Step 6: Final answer
    x = 616,892.62

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.