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Finding the Third Proportional to 144,968 and 319,364

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Solution

The third proportional to 144,968 and 319,364 is: 703,557.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,968 : 319,364 = 319,364 : x
  2. Step 2: Convert to fraction form
    144,968/319,364 = 319,364/x
  3. Step 3: Cross multiply
    144,968x = 319,364 × 319,364
  4. Step 4: Simplify right side
    144,968x = 101,993,364,496
  5. Step 5: Solve for x
    x = 101,993,364,496/144,968
  6. Step 6: Final answer
    x = 703,557.78

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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.