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Finding the Third Proportional to 201,874 and 438,091

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Solution

The third proportional to 201,874 and 438,091 is: 950,710.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,874 : 438,091 = 438,091 : x
  2. Step 2: Convert to fraction form
    201,874/438,091 = 438,091/x
  3. Step 3: Cross multiply
    201,874x = 438,091 × 438,091
  4. Step 4: Simplify right side
    201,874x = 191,923,724,281
  5. Step 5: Solve for x
    x = 191,923,724,281/201,874
  6. Step 6: Final answer
    x = 950,710.46

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.