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Finding the Third Proportional to 19,213,638 and 41,838,738

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Solution

The third proportional to 19,213,638 and 41,838,738 is: 91,106,119.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,213,638 : 41,838,738 = 41,838,738 : x
  2. Step 2: Convert to fraction form
    19,213,638/41,838,738 = 41,838,738/x
  3. Step 3: Cross multiply
    19,213,638x = 41,838,738 × 41,838,738
  4. Step 4: Simplify right side
    19,213,638x = 1,750,479,997,432,644
  5. Step 5: Solve for x
    x = 1,750,479,997,432,644/19,213,638
  6. Step 6: Final answer
    x = 91,106,119.38

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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.