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Finding the Third Proportional to 985,803 and 2,018,235

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Solution

The third proportional to 985,803 and 2,018,235 is: 4,131,933.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,803 : 2,018,235 = 2,018,235 : x
  2. Step 2: Convert to fraction form
    985,803/2,018,235 = 2,018,235/x
  3. Step 3: Cross multiply
    985,803x = 2,018,235 × 2,018,235
  4. Step 4: Simplify right side
    985,803x = 4,073,272,515,225
  5. Step 5: Solve for x
    x = 4,073,272,515,225/985,803
  6. Step 6: Final answer
    x = 4,131,933.58

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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.