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Finding the Third Proportional to 1,515,024.50 and 3,315,115

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Solution

The third proportional to 1,515,024.50 and 3,315,115 is: 7,253,999.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,024.50 : 3,315,115 = 3,315,115 : x
  2. Step 2: Convert to fraction form
    1,515,024.50/3,315,115 = 3,315,115/x
  3. Step 3: Cross multiply
    1,515,024.50x = 3,315,115 × 3,315,115
  4. Step 4: Simplify right side
    1,515,024.50x = 10,989,987,463,225
  5. Step 5: Solve for x
    x = 10,989,987,463,225/1,515,024.50
  6. Step 6: Final answer
    x = 7,253,999.83

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.