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Finding the Third Proportional to 2,991,108.50 and 4,640,299

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Solution

The third proportional to 2,991,108.50 and 4,640,299 is: 7,198,794.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991,108.50 : 4,640,299 = 4,640,299 : x
  2. Step 2: Convert to fraction form
    2,991,108.50/4,640,299 = 4,640,299/x
  3. Step 3: Cross multiply
    2,991,108.50x = 4,640,299 × 4,640,299
  4. Step 4: Simplify right side
    2,991,108.50x = 21,532,374,809,401
  5. Step 5: Solve for x
    x = 21,532,374,809,401/2,991,108.50
  6. Step 6: Final answer
    x = 7,198,794.30

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.