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Finding the Third Proportional to 66,084,201 and 143,149,554

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Solution

The third proportional to 66,084,201 and 143,149,554 is: 310,086,140.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,084,201 : 143,149,554 = 143,149,554 : x
  2. Step 2: Convert to fraction form
    66,084,201/143,149,554 = 143,149,554/x
  3. Step 3: Cross multiply
    66,084,201x = 143,149,554 × 143,149,554
  4. Step 4: Simplify right side
    66,084,201x = 20,491,794,810,398,916
  5. Step 5: Solve for x
    x = 20,491,794,810,398,916/66,084,201
  6. Step 6: Final answer
    x = 310,086,140.11

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.