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Finding the Third Proportional to 7,181,686 and 15,358,699

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Solution

The third proportional to 7,181,686 and 15,358,699 is: 32,845,996.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181,686 : 15,358,699 = 15,358,699 : x
  2. Step 2: Convert to fraction form
    7,181,686/15,358,699 = 15,358,699/x
  3. Step 3: Cross multiply
    7,181,686x = 15,358,699 × 15,358,699
  4. Step 4: Simplify right side
    7,181,686x = 235,889,634,972,601
  5. Step 5: Solve for x
    x = 235,889,634,972,601/7,181,686
  6. Step 6: Final answer
    x = 32,845,996.74

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.