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Finding the Third Proportional to 144,817 and 319,081

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Solution

The third proportional to 144,817 and 319,081 is: 703,043.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,817 : 319,081 = 319,081 : x
  2. Step 2: Convert to fraction form
    144,817/319,081 = 319,081/x
  3. Step 3: Cross multiply
    144,817x = 319,081 × 319,081
  4. Step 4: Simplify right side
    144,817x = 101,812,684,561
  5. Step 5: Solve for x
    x = 101,812,684,561/144,817
  6. Step 6: Final answer
    x = 703,043.73

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.