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Finding the Third Proportional to 28,380,772 and 43,279,638

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Solution

The third proportional to 28,380,772 and 43,279,638 is: 65,999,863.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,380,772 : 43,279,638 = 43,279,638 : x
  2. Step 2: Convert to fraction form
    28,380,772/43,279,638 = 43,279,638/x
  3. Step 3: Cross multiply
    28,380,772x = 43,279,638 × 43,279,638
  4. Step 4: Simplify right side
    28,380,772x = 1,873,127,065,411,044
  5. Step 5: Solve for x
    x = 1,873,127,065,411,044/28,380,772
  6. Step 6: Final answer
    x = 65,999,863.06

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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.