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Finding the Third Proportional to 21,939,900 and 47,251,344

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Solution

The third proportional to 21,939,900 and 47,251,344 is: 101,763,887.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,939,900 : 47,251,344 = 47,251,344 : x
  2. Step 2: Convert to fraction form
    21,939,900/47,251,344 = 47,251,344/x
  3. Step 3: Cross multiply
    21,939,900x = 47,251,344 × 47,251,344
  4. Step 4: Simplify right side
    21,939,900x = 2,232,689,509,806,336
  5. Step 5: Solve for x
    x = 2,232,689,509,806,336/21,939,900
  6. Step 6: Final answer
    x = 101,763,887.25

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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.