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Finding the Third Proportional to 303,520.50 and 655,671.38

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Solution

The third proportional to 303,520.50 and 655,671.38 is: 1,416,395.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,520.50 : 655,671.38 = 655,671.38 : x
  2. Step 2: Convert to fraction form
    303,520.50/655,671.38 = 655,671.38/x
  3. Step 3: Cross multiply
    303,520.50x = 655,671.38 × 655,671.38
  4. Step 4: Simplify right side
    303,520.50x = 429,904,951,994.39
  5. Step 5: Solve for x
    x = 429,904,951,994.39/303,520.50
  6. Step 6: Final answer
    x = 1,416,395.11

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.