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Finding the Third Proportional to 43,807.13 and 68,629.88

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Solution

The third proportional to 43,807.13 and 68,629.88 is: 107,518.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,807.13 : 68,629.88 = 68,629.88 : x
  2. Step 2: Convert to fraction form
    43,807.13/68,629.88 = 68,629.88/x
  3. Step 3: Cross multiply
    43,807.13x = 68,629.88 × 68,629.88
  4. Step 4: Simplify right side
    43,807.13x = 4,710,059,742.52
  5. Step 5: Solve for x
    x = 4,710,059,742.52/43,807.13
  6. Step 6: Final answer
    x = 107,518.12

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.