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Finding the Third Proportional to 7,077,519 and 15,479,739

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Solution

The third proportional to 7,077,519 and 15,479,739 is: 33,856,824.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,077,519 : 15,479,739 = 15,479,739 : x
  2. Step 2: Convert to fraction form
    7,077,519/15,479,739 = 15,479,739/x
  3. Step 3: Cross multiply
    7,077,519x = 15,479,739 × 15,479,739
  4. Step 4: Simplify right side
    7,077,519x = 239,622,319,508,121
  5. Step 5: Solve for x
    x = 239,622,319,508,121/7,077,519
  6. Step 6: Final answer
    x = 33,856,824.62

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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.