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Finding the Third Proportional to 4,226,129.44 and 6,697,321.31

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Solution

The third proportional to 4,226,129.44 and 6,697,321.31 is: 10,613,520.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,226,129.44 : 6,697,321.31 = 6,697,321.31 : x
  2. Step 2: Convert to fraction form
    4,226,129.44/6,697,321.31 = 6,697,321.31/x
  3. Step 3: Cross multiply
    4,226,129.44x = 6,697,321.31 × 6,697,321.31
  4. Step 4: Simplify right side
    4,226,129.44x = 44,854,112,762,866.72
  5. Step 5: Solve for x
    x = 44,854,112,762,866.72/4,226,129.44
  6. Step 6: Final answer
    x = 10,613,520.82

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.