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Finding the Third Proportional to 859,361.06 and 1,890,326.53

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Solution

The third proportional to 859,361.06 and 1,890,326.53 is: 4,158,129.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,361.06 : 1,890,326.53 = 1,890,326.53 : x
  2. Step 2: Convert to fraction form
    859,361.06/1,890,326.53 = 1,890,326.53/x
  3. Step 3: Cross multiply
    859,361.06x = 1,890,326.53 × 1,890,326.53
  4. Step 4: Simplify right side
    859,361.06x = 3,573,334,394,747.66
  5. Step 5: Solve for x
    x = 3,573,334,394,747.66/859,361.06
  6. Step 6: Final answer
    x = 4,158,129.28

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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.