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Finding the Third Proportional to 66,583.88 and 143,049.75

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Solution

The third proportional to 66,583.88 and 143,049.75 is: 307,330.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,583.88 : 143,049.75 = 143,049.75 : x
  2. Step 2: Convert to fraction form
    66,583.88/143,049.75 = 143,049.75/x
  3. Step 3: Cross multiply
    66,583.88x = 143,049.75 × 143,049.75
  4. Step 4: Simplify right side
    66,583.88x = 20,463,230,975.06
  5. Step 5: Solve for x
    x = 20,463,230,975.06/66,583.88
  6. Step 6: Final answer
    x = 307,330.13

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.