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Finding the Third Proportional to 21,664,656 and 47,058,720

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Solution

The third proportional to 21,664,656 and 47,058,720 is: 102,218,245.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,664,656 : 47,058,720 = 47,058,720 : x
  2. Step 2: Convert to fraction form
    21,664,656/47,058,720 = 47,058,720/x
  3. Step 3: Cross multiply
    21,664,656x = 47,058,720 × 47,058,720
  4. Step 4: Simplify right side
    21,664,656x = 2,214,523,128,038,400
  5. Step 5: Solve for x
    x = 2,214,523,128,038,400/21,664,656
  6. Step 6: Final answer
    x = 102,218,245.61

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.