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Finding the Third Proportional to 5,487,500.25 and 8,151,652.69

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Solution

The third proportional to 5,487,500.25 and 8,151,652.69 is: 12,109,237.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487,500.25 : 8,151,652.69 = 8,151,652.69 : x
  2. Step 2: Convert to fraction form
    5,487,500.25/8,151,652.69 = 8,151,652.69/x
  3. Step 3: Cross multiply
    5,487,500.25x = 8,151,652.69 × 8,151,652.69
  4. Step 4: Simplify right side
    5,487,500.25x = 66,449,441,537,625.97
  5. Step 5: Solve for x
    x = 66,449,441,537,625.97/5,487,500.25
  6. Step 6: Final answer
    x = 12,109,237.09

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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.