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Finding the Third Proportional to 66,474 and 144,065.25

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Solution

The third proportional to 66,474 and 144,065.25 is: 312,224.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,474 : 144,065.25 = 144,065.25 : x
  2. Step 2: Convert to fraction form
    66,474/144,065.25 = 144,065.25/x
  3. Step 3: Cross multiply
    66,474x = 144,065.25 × 144,065.25
  4. Step 4: Simplify right side
    66,474x = 20,754,796,257.56
  5. Step 5: Solve for x
    x = 20,754,796,257.56/66,474
  6. Step 6: Final answer
    x = 312,224.27

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.