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Finding the Third Proportional to 2,567,390.63 and 3,998,305.86

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Solution

The third proportional to 2,567,390.63 and 3,998,305.86 is: 6,226,730.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,567,390.63 : 3,998,305.86 = 3,998,305.86 : x
  2. Step 2: Convert to fraction form
    2,567,390.63/3,998,305.86 = 3,998,305.86/x
  3. Step 3: Cross multiply
    2,567,390.63x = 3,998,305.86 × 3,998,305.86
  4. Step 4: Simplify right side
    2,567,390.63x = 15,986,449,776,348.82
  5. Step 5: Solve for x
    x = 15,986,449,776,348.82/2,567,390.63
  6. Step 6: Final answer
    x = 6,226,730.58

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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.