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Finding the Third Proportional to 7,191,736 and 15,450,728

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Solution

The third proportional to 7,191,736 and 15,450,728 is: 33,194,349.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191,736 : 15,450,728 = 15,450,728 : x
  2. Step 2: Convert to fraction form
    7,191,736/15,450,728 = 15,450,728/x
  3. Step 3: Cross multiply
    7,191,736x = 15,450,728 × 15,450,728
  4. Step 4: Simplify right side
    7,191,736x = 238,724,995,729,984
  5. Step 5: Solve for x
    x = 238,724,995,729,984/7,191,736
  6. Step 6: Final answer
    x = 33,194,349.14

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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.