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Finding the Third Proportional to 320,760 and 496,632

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Solution

The third proportional to 320,760 and 496,632 is: 768,934.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,760 : 496,632 = 496,632 : x
  2. Step 2: Convert to fraction form
    320,760/496,632 = 496,632/x
  3. Step 3: Cross multiply
    320,760x = 496,632 × 496,632
  4. Step 4: Simplify right side
    320,760x = 246,643,343,424
  5. Step 5: Solve for x
    x = 246,643,343,424/320,760
  6. Step 6: Final answer
    x = 768,934.23

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.