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Finding the Third Proportional to 201,179 and 418,882

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Solution

The third proportional to 201,179 and 418,882 is: 872,169.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,179 : 418,882 = 418,882 : x
  2. Step 2: Convert to fraction form
    201,179/418,882 = 418,882/x
  3. Step 3: Cross multiply
    201,179x = 418,882 × 418,882
  4. Step 4: Simplify right side
    201,179x = 175,462,129,924
  5. Step 5: Solve for x
    x = 175,462,129,924/201,179
  6. Step 6: Final answer
    x = 872,169.21

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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.