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Finding the Third Proportional to 66,172,371.75 and 100,109,622.75

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Solution

The third proportional to 66,172,371.75 and 100,109,622.75 is: 151,451,977.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,172,371.75 : 100,109,622.75 = 100,109,622.75 : x
  2. Step 2: Convert to fraction form
    66,172,371.75/100,109,622.75 = 100,109,622.75/x
  3. Step 3: Cross multiply
    66,172,371.75x = 100,109,622.75 × 100,109,622.75
  4. Step 4: Simplify right side
    66,172,371.75x = 10,021,936,567,147,318
  5. Step 5: Solve for x
    x = 10,021,936,567,147,318/66,172,371.75
  6. Step 6: Final answer
    x = 151,451,977.65

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.