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Finding the Third Proportional to 43,887.38 and 66,219.75

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Solution

The third proportional to 43,887.38 and 66,219.75 is: 99,916.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,887.38 : 66,219.75 = 66,219.75 : x
  2. Step 2: Convert to fraction form
    43,887.38/66,219.75 = 66,219.75/x
  3. Step 3: Cross multiply
    43,887.38x = 66,219.75 × 66,219.75
  4. Step 4: Simplify right side
    43,887.38x = 4,385,055,290.06
  5. Step 5: Solve for x
    x = 4,385,055,290.06/43,887.38
  6. Step 6: Final answer
    x = 99,916.10

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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.