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Finding the Third Proportional to 8,422,349.63 and 12,577,391.44

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Solution

The third proportional to 8,422,349.63 and 12,577,391.44 is: 18,782,261.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,422,349.63 : 12,577,391.44 = 12,577,391.44 : x
  2. Step 2: Convert to fraction form
    8,422,349.63/12,577,391.44 = 12,577,391.44/x
  3. Step 3: Cross multiply
    8,422,349.63x = 12,577,391.44 × 12,577,391.44
  4. Step 4: Simplify right side
    8,422,349.63x = 158,190,775,372,098.31
  5. Step 5: Solve for x
    x = 158,190,775,372,098.31/8,422,349.63
  6. Step 6: Final answer
    x = 18,782,261.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.