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Finding the Third Proportional to 331,708 and 497,039

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Solution

The third proportional to 331,708 and 497,039 is: 744,774.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,708 : 497,039 = 497,039 : x
  2. Step 2: Convert to fraction form
    331,708/497,039 = 497,039/x
  3. Step 3: Cross multiply
    331,708x = 497,039 × 497,039
  4. Step 4: Simplify right side
    331,708x = 247,047,767,521
  5. Step 5: Solve for x
    x = 247,047,767,521/331,708
  6. Step 6: Final answer
    x = 744,774.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.