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Finding the Third Proportional to 453,645 and 667,324.50

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Solution

The third proportional to 453,645 and 667,324.50 is: 981,653.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,645 : 667,324.50 = 667,324.50 : x
  2. Step 2: Convert to fraction form
    453,645/667,324.50 = 667,324.50/x
  3. Step 3: Cross multiply
    453,645x = 667,324.50 × 667,324.50
  4. Step 4: Simplify right side
    453,645x = 445,321,988,300.25
  5. Step 5: Solve for x
    x = 445,321,988,300.25/453,645
  6. Step 6: Final answer
    x = 981,653.03

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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.