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Finding the Third Proportional to 325,988 and 498,669

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Solution

The third proportional to 325,988 and 498,669 is: 762,821.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,988 : 498,669 = 498,669 : x
  2. Step 2: Convert to fraction form
    325,988/498,669 = 498,669/x
  3. Step 3: Cross multiply
    325,988x = 498,669 × 498,669
  4. Step 4: Simplify right side
    325,988x = 248,670,771,561
  5. Step 5: Solve for x
    x = 248,670,771,561/325,988
  6. Step 6: Final answer
    x = 762,821.86

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.