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Finding the Third Proportional to 21,889,856 and 47,982,632

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Solution

The third proportional to 21,889,856 and 47,982,632 is: 105,178,077.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,889,856 : 47,982,632 = 47,982,632 : x
  2. Step 2: Convert to fraction form
    21,889,856/47,982,632 = 47,982,632/x
  3. Step 3: Cross multiply
    21,889,856x = 47,982,632 × 47,982,632
  4. Step 4: Simplify right side
    21,889,856x = 2,302,332,973,647,424
  5. Step 5: Solve for x
    x = 2,302,332,973,647,424/21,889,856
  6. Step 6: Final answer
    x = 105,178,077.63

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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.