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Finding the Third Proportional to 201,732 and 438,949

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Solution

The third proportional to 201,732 and 438,949 is: 955,109.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,732 : 438,949 = 438,949 : x
  2. Step 2: Convert to fraction form
    201,732/438,949 = 438,949/x
  3. Step 3: Cross multiply
    201,732x = 438,949 × 438,949
  4. Step 4: Simplify right side
    201,732x = 192,676,224,601
  5. Step 5: Solve for x
    x = 192,676,224,601/201,732
  6. Step 6: Final answer
    x = 955,109.87

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.