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Finding the Third Proportional to 20,675,458 and 45,458,372

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Solution

The third proportional to 20,675,458 and 45,458,372 is: 99,947,657.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,675,458 : 45,458,372 = 45,458,372 : x
  2. Step 2: Convert to fraction form
    20,675,458/45,458,372 = 45,458,372/x
  3. Step 3: Cross multiply
    20,675,458x = 45,458,372 × 45,458,372
  4. Step 4: Simplify right side
    20,675,458x = 2,066,463,584,890,384
  5. Step 5: Solve for x
    x = 2,066,463,584,890,384/20,675,458
  6. Step 6: Final answer
    x = 99,947,657.02

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.