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Finding the Third Proportional to 19,940,212 and 43,379,624

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Solution

The third proportional to 19,940,212 and 43,379,624 is: 94,371,703.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,940,212 : 43,379,624 = 43,379,624 : x
  2. Step 2: Convert to fraction form
    19,940,212/43,379,624 = 43,379,624/x
  3. Step 3: Cross multiply
    19,940,212x = 43,379,624 × 43,379,624
  4. Step 4: Simplify right side
    19,940,212x = 1,881,791,778,381,376
  5. Step 5: Solve for x
    x = 1,881,791,778,381,376/19,940,212
  6. Step 6: Final answer
    x = 94,371,703.69

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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.