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Finding the Third Proportional to 1,062,803.77 and 2,170,216.80

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Solution

The third proportional to 1,062,803.77 and 2,170,216.80 is: 4,431,524.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,803.77 : 2,170,216.80 = 2,170,216.80 : x
  2. Step 2: Convert to fraction form
    1,062,803.77/2,170,216.80 = 2,170,216.80/x
  3. Step 3: Cross multiply
    1,062,803.77x = 2,170,216.80 × 2,170,216.80
  4. Step 4: Simplify right side
    1,062,803.77x = 4,709,840,945,438.39
  5. Step 5: Solve for x
    x = 4,709,840,945,438.39/1,062,803.77
  6. Step 6: Final answer
    x = 4,431,524.49

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.