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Finding the Third Proportional to 270,882 and 419,202

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Solution

The third proportional to 270,882 and 419,202 is: 648,733.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,882 : 419,202 = 419,202 : x
  2. Step 2: Convert to fraction form
    270,882/419,202 = 419,202/x
  3. Step 3: Cross multiply
    270,882x = 419,202 × 419,202
  4. Step 4: Simplify right side
    270,882x = 175,730,316,804
  5. Step 5: Solve for x
    x = 175,730,316,804/270,882
  6. Step 6: Final answer
    x = 648,733.83

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.