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Finding the Third Proportional to 21,638,610 and 45,691,676

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Solution

The third proportional to 21,638,610 and 45,691,676 is: 96,481,671.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,638,610 : 45,691,676 = 45,691,676 : x
  2. Step 2: Convert to fraction form
    21,638,610/45,691,676 = 45,691,676/x
  3. Step 3: Cross multiply
    21,638,610x = 45,691,676 × 45,691,676
  4. Step 4: Simplify right side
    21,638,610x = 2,087,729,255,688,976
  5. Step 5: Solve for x
    x = 2,087,729,255,688,976/21,638,610
  6. Step 6: Final answer
    x = 96,481,671.22

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.