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Finding the Third Proportional to 21,638,562 and 45,691,572

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Solution

The third proportional to 21,638,562 and 45,691,572 is: 96,481,446.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,638,562 : 45,691,572 = 45,691,572 : x
  2. Step 2: Convert to fraction form
    21,638,562/45,691,572 = 45,691,572/x
  3. Step 3: Cross multiply
    21,638,562x = 45,691,572 × 45,691,572
  4. Step 4: Simplify right side
    21,638,562x = 2,087,719,751,831,184
  5. Step 5: Solve for x
    x = 2,087,719,751,831,184/21,638,562
  6. Step 6: Final answer
    x = 96,481,446.03

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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.