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Finding the Third Proportional to 936,814.50 and 2,015,715.38

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Solution

The third proportional to 936,814.50 and 2,015,715.38 is: 4,337,153.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,814.50 : 2,015,715.38 = 2,015,715.38 : x
  2. Step 2: Convert to fraction form
    936,814.50/2,015,715.38 = 2,015,715.38/x
  3. Step 3: Cross multiply
    936,814.50x = 2,015,715.38 × 2,015,715.38
  4. Step 4: Simplify right side
    936,814.50x = 4,063,108,473,011.39
  5. Step 5: Solve for x
    x = 4,063,108,473,011.39/936,814.50
  6. Step 6: Final answer
    x = 4,337,153.70

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.