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Finding the Third Proportional to 201,719 and 274,091

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Solution

The third proportional to 201,719 and 274,091 is: 372,428.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,719 : 274,091 = 274,091 : x
  2. Step 2: Convert to fraction form
    201,719/274,091 = 274,091/x
  3. Step 3: Cross multiply
    201,719x = 274,091 × 274,091
  4. Step 4: Simplify right side
    201,719x = 75,125,876,281
  5. Step 5: Solve for x
    x = 75,125,876,281/201,719
  6. Step 6: Final answer
    x = 372,428.36

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.