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Finding the Third Proportional to 276,239 and 605,196

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Solution

The third proportional to 276,239 and 605,196 is: 1,325,888.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,239 : 605,196 = 605,196 : x
  2. Step 2: Convert to fraction form
    276,239/605,196 = 605,196/x
  3. Step 3: Cross multiply
    276,239x = 605,196 × 605,196
  4. Step 4: Simplify right side
    276,239x = 366,262,198,416
  5. Step 5: Solve for x
    x = 366,262,198,416/276,239
  6. Step 6: Final answer
    x = 1,325,888.81

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.