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Finding the Third Proportional to 1,830,790.50 and 3,987,054

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Solution

The third proportional to 1,830,790.50 and 3,987,054 is: 8,682,915.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830,790.50 : 3,987,054 = 3,987,054 : x
  2. Step 2: Convert to fraction form
    1,830,790.50/3,987,054 = 3,987,054/x
  3. Step 3: Cross multiply
    1,830,790.50x = 3,987,054 × 3,987,054
  4. Step 4: Simplify right side
    1,830,790.50x = 15,896,599,598,916
  5. Step 5: Solve for x
    x = 15,896,599,598,916/1,830,790.50
  6. Step 6: Final answer
    x = 8,682,915.71

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.