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Finding the Third Proportional to 4,072,383 and 8,774,190

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Solution

The third proportional to 4,072,383 and 8,774,190 is: 18,904,511.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072,383 : 8,774,190 = 8,774,190 : x
  2. Step 2: Convert to fraction form
    4,072,383/8,774,190 = 8,774,190/x
  3. Step 3: Cross multiply
    4,072,383x = 8,774,190 × 8,774,190
  4. Step 4: Simplify right side
    4,072,383x = 76,986,410,156,100
  5. Step 5: Solve for x
    x = 76,986,410,156,100/4,072,383
  6. Step 6: Final answer
    x = 18,904,511.23

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.