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Finding the Third Proportional to 207,483 and 329,990

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Solution

The third proportional to 207,483 and 329,990 is: 524,830.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,483 : 329,990 = 329,990 : x
  2. Step 2: Convert to fraction form
    207,483/329,990 = 329,990/x
  3. Step 3: Cross multiply
    207,483x = 329,990 × 329,990
  4. Step 4: Simplify right side
    207,483x = 108,893,400,100
  5. Step 5: Solve for x
    x = 108,893,400,100/207,483
  6. Step 6: Final answer
    x = 524,830.47

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.