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Finding the Third Proportional to 41,653 and 66,620

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Solution

The third proportional to 41,653 and 66,620 is: 106,552.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,653 : 66,620 = 66,620 : x
  2. Step 2: Convert to fraction form
    41,653/66,620 = 66,620/x
  3. Step 3: Cross multiply
    41,653x = 66,620 × 66,620
  4. Step 4: Simplify right side
    41,653x = 4,438,224,400
  5. Step 5: Solve for x
    x = 4,438,224,400/41,653
  6. Step 6: Final answer
    x = 106,552.33

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.