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Finding the Third Proportional to 21,949,896 and 47,271,102

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Solution

The third proportional to 21,949,896 and 47,271,102 is: 101,802,627.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,949,896 : 47,271,102 = 47,271,102 : x
  2. Step 2: Convert to fraction form
    21,949,896/47,271,102 = 47,271,102/x
  3. Step 3: Cross multiply
    21,949,896x = 47,271,102 × 47,271,102
  4. Step 4: Simplify right side
    21,949,896x = 2,234,557,084,294,404
  5. Step 5: Solve for x
    x = 2,234,557,084,294,404/21,949,896
  6. Step 6: Final answer
    x = 101,802,627.42

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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.