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Finding the Third Proportional to 453,015 and 664,293

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Solution

The third proportional to 453,015 and 664,293 is: 974,107.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,015 : 664,293 = 664,293 : x
  2. Step 2: Convert to fraction form
    453,015/664,293 = 664,293/x
  3. Step 3: Cross multiply
    453,015x = 664,293 × 664,293
  4. Step 4: Simplify right side
    453,015x = 441,285,189,849
  5. Step 5: Solve for x
    x = 441,285,189,849/453,015
  6. Step 6: Final answer
    x = 974,107.24

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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.