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Finding the Third Proportional to 1,226,121.75 and 2,018,937

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Solution

The third proportional to 1,226,121.75 and 2,018,937 is: 3,324,389.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,121.75 : 2,018,937 = 2,018,937 : x
  2. Step 2: Convert to fraction form
    1,226,121.75/2,018,937 = 2,018,937/x
  3. Step 3: Cross multiply
    1,226,121.75x = 2,018,937 × 2,018,937
  4. Step 4: Simplify right side
    1,226,121.75x = 4,076,106,609,969
  5. Step 5: Solve for x
    x = 4,076,106,609,969/1,226,121.75
  6. Step 6: Final answer
    x = 3,324,389.78

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.