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Finding the Third Proportional to 2,634,832.50 and 3,930,390

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Solution

The third proportional to 2,634,832.50 and 3,930,390 is: 5,862,978.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634,832.50 : 3,930,390 = 3,930,390 : x
  2. Step 2: Convert to fraction form
    2,634,832.50/3,930,390 = 3,930,390/x
  3. Step 3: Cross multiply
    2,634,832.50x = 3,930,390 × 3,930,390
  4. Step 4: Simplify right side
    2,634,832.50x = 15,447,965,552,100
  5. Step 5: Solve for x
    x = 15,447,965,552,100/2,634,832.50
  6. Step 6: Final answer
    x = 5,862,978.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.