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Finding the Third Proportional to 144,731.25 and 313,611.75

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Solution

The third proportional to 144,731.25 and 313,611.75 is: 679,551.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,731.25 : 313,611.75 = 313,611.75 : x
  2. Step 2: Convert to fraction form
    144,731.25/313,611.75 = 313,611.75/x
  3. Step 3: Cross multiply
    144,731.25x = 313,611.75 × 313,611.75
  4. Step 4: Simplify right side
    144,731.25x = 98,352,329,738.06
  5. Step 5: Solve for x
    x = 98,352,329,738.06/144,731.25
  6. Step 6: Final answer
    x = 679,551.44

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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.