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Finding the Third Proportional to 207,588 and 322,086

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Solution

The third proportional to 207,588 and 322,086 is: 499,736.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,588 : 322,086 = 322,086 : x
  2. Step 2: Convert to fraction form
    207,588/322,086 = 322,086/x
  3. Step 3: Cross multiply
    207,588x = 322,086 × 322,086
  4. Step 4: Simplify right side
    207,588x = 103,739,391,396
  5. Step 5: Solve for x
    x = 103,739,391,396/207,588
  6. Step 6: Final answer
    x = 499,736.94

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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.