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Finding the Third Proportional to 904,666.22 and 1,989,243.56

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Solution

The third proportional to 904,666.22 and 1,989,243.56 is: 4,374,088.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,666.22 : 1,989,243.56 = 1,989,243.56 : x
  2. Step 2: Convert to fraction form
    904,666.22/1,989,243.56 = 1,989,243.56/x
  3. Step 3: Cross multiply
    904,666.22x = 1,989,243.56 × 1,989,243.56
  4. Step 4: Simplify right side
    904,666.22x = 3,957,089,950,947.69
  5. Step 5: Solve for x
    x = 3,957,089,950,947.69/904,666.22
  6. Step 6: Final answer
    x = 4,374,088.33

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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.