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Finding the Third Proportional to 7,979,022 and 12,636,524

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Solution

The third proportional to 7,979,022 and 12,636,524 is: 20,012,695.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979,022 : 12,636,524 = 12,636,524 : x
  2. Step 2: Convert to fraction form
    7,979,022/12,636,524 = 12,636,524/x
  3. Step 3: Cross multiply
    7,979,022x = 12,636,524 × 12,636,524
  4. Step 4: Simplify right side
    7,979,022x = 159,681,738,802,576
  5. Step 5: Solve for x
    x = 159,681,738,802,576/7,979,022
  6. Step 6: Final answer
    x = 20,012,695.64

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.