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Finding the Third Proportional to 21,818,402.25 and 47,467,512

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Solution

The third proportional to 21,818,402.25 and 47,467,512 is: 103,269,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,818,402.25 : 47,467,512 = 47,467,512 : x
  2. Step 2: Convert to fraction form
    21,818,402.25/47,467,512 = 47,467,512/x
  3. Step 3: Cross multiply
    21,818,402.25x = 47,467,512 × 47,467,512
  4. Step 4: Simplify right side
    21,818,402.25x = 2,253,164,695,470,144
  5. Step 5: Solve for x
    x = 2,253,164,695,470,144/21,818,402.25
  6. Step 6: Final answer
    x = 103,269,005.20

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.