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Finding the Third Proportional to 58,121,919 and 126,458,505

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Solution

The third proportional to 58,121,919 and 126,458,505 is: 275,141,525.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,121,919 : 126,458,505 = 126,458,505 : x
  2. Step 2: Convert to fraction form
    58,121,919/126,458,505 = 126,458,505/x
  3. Step 3: Cross multiply
    58,121,919x = 126,458,505 × 126,458,505
  4. Step 4: Simplify right side
    58,121,919x = 15,991,753,486,835,024
  5. Step 5: Solve for x
    x = 15,991,753,486,835,024/58,121,919
  6. Step 6: Final answer
    x = 275,141,525.98

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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.