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Finding the Third Proportional to 481,432 and 673,040

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Solution

The third proportional to 481,432 and 673,040 is: 940,907.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,432 : 673,040 = 673,040 : x
  2. Step 2: Convert to fraction form
    481,432/673,040 = 673,040/x
  3. Step 3: Cross multiply
    481,432x = 673,040 × 673,040
  4. Step 4: Simplify right side
    481,432x = 452,982,841,600
  5. Step 5: Solve for x
    x = 452,982,841,600/481,432
  6. Step 6: Final answer
    x = 940,907.21

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.