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Finding the Third Proportional to 15,357,978 and 33,179,004

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Solution

The third proportional to 15,357,978 and 33,179,004 is: 71,679,117.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,357,978 : 33,179,004 = 33,179,004 : x
  2. Step 2: Convert to fraction form
    15,357,978/33,179,004 = 33,179,004/x
  3. Step 3: Cross multiply
    15,357,978x = 33,179,004 × 33,179,004
  4. Step 4: Simplify right side
    15,357,978x = 1,100,846,306,432,016
  5. Step 5: Solve for x
    x = 1,100,846,306,432,016/15,357,978
  6. Step 6: Final answer
    x = 71,679,117.29

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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.