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Finding the Third Proportional to 38,899,940 and 84,649,672

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Solution

The third proportional to 38,899,940 and 84,649,672 is: 184,205,090.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,899,940 : 84,649,672 = 84,649,672 : x
  2. Step 2: Convert to fraction form
    38,899,940/84,649,672 = 84,649,672/x
  3. Step 3: Cross multiply
    38,899,940x = 84,649,672 × 84,649,672
  4. Step 4: Simplify right side
    38,899,940x = 7,165,566,969,707,584
  5. Step 5: Solve for x
    x = 7,165,566,969,707,584/38,899,940
  6. Step 6: Final answer
    x = 184,205,090.54

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.