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Finding the Third Proportional to 43,964 and 68,032

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Solution

The third proportional to 43,964 and 68,032 is: 105,275.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,964 : 68,032 = 68,032 : x
  2. Step 2: Convert to fraction form
    43,964/68,032 = 68,032/x
  3. Step 3: Cross multiply
    43,964x = 68,032 × 68,032
  4. Step 4: Simplify right side
    43,964x = 4,628,353,024
  5. Step 5: Solve for x
    x = 4,628,353,024/43,964
  6. Step 6: Final answer
    x = 105,275.98

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.