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Finding the Third Proportional to 9,894,886 and 21,285,632

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Solution

The third proportional to 9,894,886 and 21,285,632 is: 45,789,120.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,894,886 : 21,285,632 = 21,285,632 : x
  2. Step 2: Convert to fraction form
    9,894,886/21,285,632 = 21,285,632/x
  3. Step 3: Cross multiply
    9,894,886x = 21,285,632 × 21,285,632
  4. Step 4: Simplify right side
    9,894,886x = 453,078,129,639,424
  5. Step 5: Solve for x
    x = 453,078,129,639,424/9,894,886
  6. Step 6: Final answer
    x = 45,789,120.73

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.