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Finding the Third Proportional to 7,129,695 and 15,395,736

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Solution

The third proportional to 7,129,695 and 15,395,736 is: 33,245,277.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,695 : 15,395,736 = 15,395,736 : x
  2. Step 2: Convert to fraction form
    7,129,695/15,395,736 = 15,395,736/x
  3. Step 3: Cross multiply
    7,129,695x = 15,395,736 × 15,395,736
  4. Step 4: Simplify right side
    7,129,695x = 237,028,686,981,696
  5. Step 5: Solve for x
    x = 237,028,686,981,696/7,129,695
  6. Step 6: Final answer
    x = 33,245,277.25

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.