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Finding the Third Proportional to 133,202 and 278,716

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Solution

The third proportional to 133,202 and 278,716 is: 583,194.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,202 : 278,716 = 278,716 : x
  2. Step 2: Convert to fraction form
    133,202/278,716 = 278,716/x
  3. Step 3: Cross multiply
    133,202x = 278,716 × 278,716
  4. Step 4: Simplify right side
    133,202x = 77,682,608,656
  5. Step 5: Solve for x
    x = 77,682,608,656/133,202
  6. Step 6: Final answer
    x = 583,194.01

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.