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Finding the Third Proportional to 201,226 and 418,958

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Solution

The third proportional to 201,226 and 418,958 is: 872,281.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,226 : 418,958 = 418,958 : x
  2. Step 2: Convert to fraction form
    201,226/418,958 = 418,958/x
  3. Step 3: Cross multiply
    201,226x = 418,958 × 418,958
  4. Step 4: Simplify right side
    201,226x = 175,525,805,764
  5. Step 5: Solve for x
    x = 175,525,805,764/201,226
  6. Step 6: Final answer
    x = 872,281.94

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.