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Finding the Third Proportional to 453,628.50 and 667,302.75

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Solution

The third proportional to 453,628.50 and 667,302.75 is: 981,624.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,628.50 : 667,302.75 = 667,302.75 : x
  2. Step 2: Convert to fraction form
    453,628.50/667,302.75 = 667,302.75/x
  3. Step 3: Cross multiply
    453,628.50x = 667,302.75 × 667,302.75
  4. Step 4: Simplify right side
    453,628.50x = 445,292,960,157.56
  5. Step 5: Solve for x
    x = 445,292,960,157.56/453,628.50
  6. Step 6: Final answer
    x = 981,624.74

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.