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Finding the Third Proportional to 890,065.13 and 1,379,076.75

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Solution

The third proportional to 890,065.13 and 1,379,076.75 is: 2,136,756.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,065.13 : 1,379,076.75 = 1,379,076.75 : x
  2. Step 2: Convert to fraction form
    890,065.13/1,379,076.75 = 1,379,076.75/x
  3. Step 3: Cross multiply
    890,065.13x = 1,379,076.75 × 1,379,076.75
  4. Step 4: Simplify right side
    890,065.13x = 1,901,852,682,390.56
  5. Step 5: Solve for x
    x = 1,901,852,682,390.56/890,065.13
  6. Step 6: Final answer
    x = 2,136,756.77

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.