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Finding the Third Proportional to 4,485,904.50 and 9,728,997

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Solution

The third proportional to 4,485,904.50 and 9,728,997 is: 21,100,177.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485,904.50 : 9,728,997 = 9,728,997 : x
  2. Step 2: Convert to fraction form
    4,485,904.50/9,728,997 = 9,728,997/x
  3. Step 3: Cross multiply
    4,485,904.50x = 9,728,997 × 9,728,997
  4. Step 4: Simplify right side
    4,485,904.50x = 94,653,382,626,009
  5. Step 5: Solve for x
    x = 94,653,382,626,009/4,485,904.50
  6. Step 6: Final answer
    x = 21,100,177.82

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.