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Finding the Third Proportional to 56,760,840 and 87,694,560

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Solution

The third proportional to 56,760,840 and 87,694,560 is: 135,486,646.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,760,840 : 87,694,560 = 87,694,560 : x
  2. Step 2: Convert to fraction form
    56,760,840/87,694,560 = 87,694,560/x
  3. Step 3: Cross multiply
    56,760,840x = 87,694,560 × 87,694,560
  4. Step 4: Simplify right side
    56,760,840x = 7,690,335,853,593,600
  5. Step 5: Solve for x
    x = 7,690,335,853,593,600/56,760,840
  6. Step 6: Final answer
    x = 135,486,646.31

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.