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Finding the Third Proportional to 40,610,128 and 87,693,958

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Solution

The third proportional to 40,610,128 and 87,693,958 is: 189,367,299.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,610,128 : 87,693,958 = 87,693,958 : x
  2. Step 2: Convert to fraction form
    40,610,128/87,693,958 = 87,693,958/x
  3. Step 3: Cross multiply
    40,610,128x = 87,693,958 × 87,693,958
  4. Step 4: Simplify right side
    40,610,128x = 7,690,230,269,705,764
  5. Step 5: Solve for x
    x = 7,690,230,269,705,764/40,610,128
  6. Step 6: Final answer
    x = 189,367,299.45

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.