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Finding the Third Proportional to 985,805 and 2,018,239

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Solution

The third proportional to 985,805 and 2,018,239 is: 4,131,941.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,805 : 2,018,239 = 2,018,239 : x
  2. Step 2: Convert to fraction form
    985,805/2,018,239 = 2,018,239/x
  3. Step 3: Cross multiply
    985,805x = 2,018,239 × 2,018,239
  4. Step 4: Simplify right side
    985,805x = 4,073,288,661,121
  5. Step 5: Solve for x
    x = 4,073,288,661,121/985,805
  6. Step 6: Final answer
    x = 4,131,941.57

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.