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Finding the Third Proportional to 2,515,501.75 and 3,922,720

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Solution

The third proportional to 2,515,501.75 and 3,922,720 is: 6,117,162.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515,501.75 : 3,922,720 = 3,922,720 : x
  2. Step 2: Convert to fraction form
    2,515,501.75/3,922,720 = 3,922,720/x
  3. Step 3: Cross multiply
    2,515,501.75x = 3,922,720 × 3,922,720
  4. Step 4: Simplify right side
    2,515,501.75x = 15,387,732,198,400
  5. Step 5: Solve for x
    x = 15,387,732,198,400/2,515,501.75
  6. Step 6: Final answer
    x = 6,117,162.19

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.