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Finding the Third Proportional to 28,081,086 and 43,143,485

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Solution

The third proportional to 28,081,086 and 43,143,485 is: 66,285,196.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,081,086 : 43,143,485 = 43,143,485 : x
  2. Step 2: Convert to fraction form
    28,081,086/43,143,485 = 43,143,485/x
  3. Step 3: Cross multiply
    28,081,086x = 43,143,485 × 43,143,485
  4. Step 4: Simplify right side
    28,081,086x = 1,861,360,297,945,225
  5. Step 5: Solve for x
    x = 1,861,360,297,945,225/28,081,086
  6. Step 6: Final answer
    x = 66,285,196.30

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.