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Finding the Third Proportional to 904,824 and 1,988,975.25

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Solution

The third proportional to 904,824 and 1,988,975.25 is: 4,372,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,824 : 1,988,975.25 = 1,988,975.25 : x
  2. Step 2: Convert to fraction form
    904,824/1,988,975.25 = 1,988,975.25/x
  3. Step 3: Cross multiply
    904,824x = 1,988,975.25 × 1,988,975.25
  4. Step 4: Simplify right side
    904,824x = 3,956,022,545,112.56
  5. Step 5: Solve for x
    x = 3,956,022,545,112.56/904,824
  6. Step 6: Final answer
    x = 4,372,145.90

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.