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Finding the Third Proportional to 457,833 and 673,513

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Solution

The third proportional to 457,833 and 673,513 is: 990,797.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,833 : 673,513 = 673,513 : x
  2. Step 2: Convert to fraction form
    457,833/673,513 = 673,513/x
  3. Step 3: Cross multiply
    457,833x = 673,513 × 673,513
  4. Step 4: Simplify right side
    457,833x = 453,619,761,169
  5. Step 5: Solve for x
    x = 453,619,761,169/457,833
  6. Step 6: Final answer
    x = 990,797.43

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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.