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Finding the Third Proportional to 7,242,932 and 15,661,930

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Solution

The third proportional to 7,242,932 and 15,661,930 is: 33,866,954.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242,932 : 15,661,930 = 15,661,930 : x
  2. Step 2: Convert to fraction form
    7,242,932/15,661,930 = 15,661,930/x
  3. Step 3: Cross multiply
    7,242,932x = 15,661,930 × 15,661,930
  4. Step 4: Simplify right side
    7,242,932x = 245,296,051,324,900
  5. Step 5: Solve for x
    x = 245,296,051,324,900/7,242,932
  6. Step 6: Final answer
    x = 33,866,954.89

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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.