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Finding the Third Proportional to 5,380,905.50 and 8,171,008

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Solution

The third proportional to 5,380,905.50 and 8,171,008 is: 12,407,832.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380,905.50 : 8,171,008 = 8,171,008 : x
  2. Step 2: Convert to fraction form
    5,380,905.50/8,171,008 = 8,171,008/x
  3. Step 3: Cross multiply
    5,380,905.50x = 8,171,008 × 8,171,008
  4. Step 4: Simplify right side
    5,380,905.50x = 66,765,371,736,064
  5. Step 5: Solve for x
    x = 66,765,371,736,064/5,380,905.50
  6. Step 6: Final answer
    x = 12,407,832.05

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.