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Finding the Third Proportional to 2,661,652.41 and 3,987,981.84

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Solution

The third proportional to 2,661,652.41 and 3,987,981.84 is: 5,975,235.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661,652.41 : 3,987,981.84 = 3,987,981.84 : x
  2. Step 2: Convert to fraction form
    2,661,652.41/3,987,981.84 = 3,987,981.84/x
  3. Step 3: Cross multiply
    2,661,652.41x = 3,987,981.84 × 3,987,981.84
  4. Step 4: Simplify right side
    2,661,652.41x = 15,903,999,186,079.65
  5. Step 5: Solve for x
    x = 15,903,999,186,079.65/2,661,652.41
  6. Step 6: Final answer
    x = 5,975,235.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.