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Finding the Third Proportional to 3,173,838.75 and 7,490,997

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Solution

The third proportional to 3,173,838.75 and 7,490,997 is: 17,680,493.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173,838.75 : 7,490,997 = 7,490,997 : x
  2. Step 2: Convert to fraction form
    3,173,838.75/7,490,997 = 7,490,997/x
  3. Step 3: Cross multiply
    3,173,838.75x = 7,490,997 × 7,490,997
  4. Step 4: Simplify right side
    3,173,838.75x = 56,115,036,054,009
  5. Step 5: Solve for x
    x = 56,115,036,054,009/3,173,838.75
  6. Step 6: Final answer
    x = 17,680,493.71

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.