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Finding the Third Proportional to 1,055,967.75 and 2,161,143

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Solution

The third proportional to 1,055,967.75 and 2,161,143 is: 4,422,994.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,967.75 : 2,161,143 = 2,161,143 : x
  2. Step 2: Convert to fraction form
    1,055,967.75/2,161,143 = 2,161,143/x
  3. Step 3: Cross multiply
    1,055,967.75x = 2,161,143 × 2,161,143
  4. Step 4: Simplify right side
    1,055,967.75x = 4,670,539,066,449
  5. Step 5: Solve for x
    x = 4,670,539,066,449/1,055,967.75
  6. Step 6: Final answer
    x = 4,422,994.04

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.