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Finding the Third Proportional to 15,917,372 and 34,376,272

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Solution

The third proportional to 15,917,372 and 34,376,272 is: 74,241,405.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,917,372 : 34,376,272 = 34,376,272 : x
  2. Step 2: Convert to fraction form
    15,917,372/34,376,272 = 34,376,272/x
  3. Step 3: Cross multiply
    15,917,372x = 34,376,272 × 34,376,272
  4. Step 4: Simplify right side
    15,917,372x = 1,181,728,076,617,984
  5. Step 5: Solve for x
    x = 1,181,728,076,617,984/15,917,372
  6. Step 6: Final answer
    x = 74,241,405.97

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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.