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Finding the Third Proportional to 252,049.50 and 399,300.75

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Solution

The third proportional to 252,049.50 and 399,300.75 is: 632,578.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,049.50 : 399,300.75 = 399,300.75 : x
  2. Step 2: Convert to fraction form
    252,049.50/399,300.75 = 399,300.75/x
  3. Step 3: Cross multiply
    252,049.50x = 399,300.75 × 399,300.75
  4. Step 4: Simplify right side
    252,049.50x = 159,441,088,950.56
  5. Step 5: Solve for x
    x = 159,441,088,950.56/252,049.50
  6. Step 6: Final answer
    x = 632,578.48

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.