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Finding the Third Proportional to 28,422,128 and 43,165,110

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Solution

The third proportional to 28,422,128 and 43,165,110 is: 65,555,496.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,422,128 : 43,165,110 = 43,165,110 : x
  2. Step 2: Convert to fraction form
    28,422,128/43,165,110 = 43,165,110/x
  3. Step 3: Cross multiply
    28,422,128x = 43,165,110 × 43,165,110
  4. Step 4: Simplify right side
    28,422,128x = 1,863,226,721,312,100
  5. Step 5: Solve for x
    x = 1,863,226,721,312,100/28,422,128
  6. Step 6: Final answer
    x = 65,555,496.81

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.