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Finding the Third Proportional to 28,380,774 and 43,279,641

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Solution

The third proportional to 28,380,774 and 43,279,641 is: 65,999,867.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,380,774 : 43,279,641 = 43,279,641 : x
  2. Step 2: Convert to fraction form
    28,380,774/43,279,641 = 43,279,641/x
  3. Step 3: Cross multiply
    28,380,774x = 43,279,641 × 43,279,641
  4. Step 4: Simplify right side
    28,380,774x = 1,873,127,325,088,881
  5. Step 5: Solve for x
    x = 1,873,127,325,088,881/28,380,774
  6. Step 6: Final answer
    x = 65,999,867.55

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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.