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Finding the Third Proportional to 9,165,519 and 19,907,454

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Solution

The third proportional to 9,165,519 and 19,907,454 is: 43,238,874.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,165,519 : 19,907,454 = 19,907,454 : x
  2. Step 2: Convert to fraction form
    9,165,519/19,907,454 = 19,907,454/x
  3. Step 3: Cross multiply
    9,165,519x = 19,907,454 × 19,907,454
  4. Step 4: Simplify right side
    9,165,519x = 396,306,724,762,116
  5. Step 5: Solve for x
    x = 396,306,724,762,116/9,165,519
  6. Step 6: Final answer
    x = 43,238,874.39

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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.