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Finding the Third Proportional to 44,090 and 66,705

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Solution

The third proportional to 44,090 and 66,705 is: 100,919.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,090 : 66,705 = 66,705 : x
  2. Step 2: Convert to fraction form
    44,090/66,705 = 66,705/x
  3. Step 3: Cross multiply
    44,090x = 66,705 × 66,705
  4. Step 4: Simplify right side
    44,090x = 4,449,557,025
  5. Step 5: Solve for x
    x = 4,449,557,025/44,090
  6. Step 6: Final answer
    x = 100,919.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.