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Finding the Third Proportional to 279,311,656 and 606,969,864

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Solution

The third proportional to 279,311,656 and 606,969,864 is: 1,319,001,222.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,311,656 : 606,969,864 = 606,969,864 : x
  2. Step 2: Convert to fraction form
    279,311,656/606,969,864 = 606,969,864/x
  3. Step 3: Cross multiply
    279,311,656x = 606,969,864 × 606,969,864
  4. Step 4: Simplify right side
    279,311,656x = 368,412,415,804,178,496
  5. Step 5: Solve for x
    x = 368,412,415,804,178,496/279,311,656
  6. Step 6: Final answer
    x = 1,319,001,222.79

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.