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Finding the Third Proportional to 66,964 and 88,868

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Solution

The third proportional to 66,964 and 88,868 is: 117,936.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,964 : 88,868 = 88,868 : x
  2. Step 2: Convert to fraction form
    66,964/88,868 = 88,868/x
  3. Step 3: Cross multiply
    66,964x = 88,868 × 88,868
  4. Step 4: Simplify right side
    66,964x = 7,897,521,424
  5. Step 5: Solve for x
    x = 7,897,521,424/66,964
  6. Step 6: Final answer
    x = 117,936.82

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.