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Finding the Third Proportional to 66,090,186 and 143,160,084

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Solution

The third proportional to 66,090,186 and 143,160,084 is: 310,103,676.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,090,186 : 143,160,084 = 143,160,084 : x
  2. Step 2: Convert to fraction form
    66,090,186/143,160,084 = 143,160,084/x
  3. Step 3: Cross multiply
    66,090,186x = 143,160,084 × 143,160,084
  4. Step 4: Simplify right side
    66,090,186x = 20,494,809,650,887,056
  5. Step 5: Solve for x
    x = 20,494,809,650,887,056/66,090,186
  6. Step 6: Final answer
    x = 310,103,676.37

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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.