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Finding the Third Proportional to 3,462,715.50 and 5,174,692.75

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Solution

The third proportional to 3,462,715.50 and 5,174,692.75 is: 7,733,076.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462,715.50 : 5,174,692.75 = 5,174,692.75 : x
  2. Step 2: Convert to fraction form
    3,462,715.50/5,174,692.75 = 5,174,692.75/x
  3. Step 3: Cross multiply
    3,462,715.50x = 5,174,692.75 × 5,174,692.75
  4. Step 4: Simplify right side
    3,462,715.50x = 26,777,445,056,902.56
  5. Step 5: Solve for x
    x = 26,777,445,056,902.56/3,462,715.50
  6. Step 6: Final answer
    x = 7,733,076.85

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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.