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Finding the Third Proportional to 17,393,012 and 36,890,728

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Solution

The third proportional to 17,393,012 and 36,890,728 is: 78,245,551.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,393,012 : 36,890,728 = 36,890,728 : x
  2. Step 2: Convert to fraction form
    17,393,012/36,890,728 = 36,890,728/x
  3. Step 3: Cross multiply
    17,393,012x = 36,890,728 × 36,890,728
  4. Step 4: Simplify right side
    17,393,012x = 1,360,925,812,369,984
  5. Step 5: Solve for x
    x = 1,360,925,812,369,984/17,393,012
  6. Step 6: Final answer
    x = 78,245,551.28

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.