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Finding the Third Proportional to 63,669 and 140,052

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Solution

The third proportional to 63,669 and 140,052 is: 308,070.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,669 : 140,052 = 140,052 : x
  2. Step 2: Convert to fraction form
    63,669/140,052 = 140,052/x
  3. Step 3: Cross multiply
    63,669x = 140,052 × 140,052
  4. Step 4: Simplify right side
    63,669x = 19,614,562,704
  5. Step 5: Solve for x
    x = 19,614,562,704/63,669
  6. Step 6: Final answer
    x = 308,070.85

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.