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Finding the Third Proportional to 857,912.25 and 1,829,820.75

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Solution

The third proportional to 857,912.25 and 1,829,820.75 is: 3,902,781.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,912.25 : 1,829,820.75 = 1,829,820.75 : x
  2. Step 2: Convert to fraction form
    857,912.25/1,829,820.75 = 1,829,820.75/x
  3. Step 3: Cross multiply
    857,912.25x = 1,829,820.75 × 1,829,820.75
  4. Step 4: Simplify right side
    857,912.25x = 3,348,243,977,130.56
  5. Step 5: Solve for x
    x = 3,348,243,977,130.56/857,912.25
  6. Step 6: Final answer
    x = 3,902,781.41

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.