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Finding the Third Proportional to 90,809,096 and 140,998,476

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Solution

The third proportional to 90,809,096 and 140,998,476 is: 218,927,080.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,809,096 : 140,998,476 = 140,998,476 : x
  2. Step 2: Convert to fraction form
    90,809,096/140,998,476 = 140,998,476/x
  3. Step 3: Cross multiply
    90,809,096x = 140,998,476 × 140,998,476
  4. Step 4: Simplify right side
    90,809,096x = 19,880,570,234,322,576
  5. Step 5: Solve for x
    x = 19,880,570,234,322,576/90,809,096
  6. Step 6: Final answer
    x = 218,927,080.11

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.