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Finding the Third Proportional to 7,603,912.50 and 11,781,570

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Solution

The third proportional to 7,603,912.50 and 11,781,570 is: 18,254,469.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,603,912.50 : 11,781,570 = 11,781,570 : x
  2. Step 2: Convert to fraction form
    7,603,912.50/11,781,570 = 11,781,570/x
  3. Step 3: Cross multiply
    7,603,912.50x = 11,781,570 × 11,781,570
  4. Step 4: Simplify right side
    7,603,912.50x = 138,805,391,664,900
  5. Step 5: Solve for x
    x = 138,805,391,664,900/7,603,912.50
  6. Step 6: Final answer
    x = 18,254,469.88

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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.