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Finding the Third Proportional to 21,535,889 and 47,256,193

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Solution

The third proportional to 21,535,889 and 47,256,193 is: 103,694,246.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,535,889 : 47,256,193 = 47,256,193 : x
  2. Step 2: Convert to fraction form
    21,535,889/47,256,193 = 47,256,193/x
  3. Step 3: Cross multiply
    21,535,889x = 47,256,193 × 47,256,193
  4. Step 4: Simplify right side
    21,535,889x = 2,233,147,776,853,249
  5. Step 5: Solve for x
    x = 2,233,147,776,853,249/21,535,889
  6. Step 6: Final answer
    x = 103,694,246.23

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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.