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Finding the Third Proportional to 303,780 and 703,274

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Solution

The third proportional to 303,780 and 703,274 is: 1,628,133.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,780 : 703,274 = 703,274 : x
  2. Step 2: Convert to fraction form
    303,780/703,274 = 703,274/x
  3. Step 3: Cross multiply
    303,780x = 703,274 × 703,274
  4. Step 4: Simplify right side
    303,780x = 494,594,319,076
  5. Step 5: Solve for x
    x = 494,594,319,076/303,780
  6. Step 6: Final answer
    x = 1,628,133.25

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.