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Finding the Third Proportional to 3,207,458 and 6,979,557

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Solution

The third proportional to 3,207,458 and 6,979,557 is: 15,187,795.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207,458 : 6,979,557 = 6,979,557 : x
  2. Step 2: Convert to fraction form
    3,207,458/6,979,557 = 6,979,557/x
  3. Step 3: Cross multiply
    3,207,458x = 6,979,557 × 6,979,557
  4. Step 4: Simplify right side
    3,207,458x = 48,714,215,916,249
  5. Step 5: Solve for x
    x = 48,714,215,916,249/3,207,458
  6. Step 6: Final answer
    x = 15,187,795.42

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.