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Finding the Third Proportional to 789,954.75 and 1,191,921.75

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Solution

The third proportional to 789,954.75 and 1,191,921.75 is: 1,798,428.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,954.75 : 1,191,921.75 = 1,191,921.75 : x
  2. Step 2: Convert to fraction form
    789,954.75/1,191,921.75 = 1,191,921.75/x
  3. Step 3: Cross multiply
    789,954.75x = 1,191,921.75 × 1,191,921.75
  4. Step 4: Simplify right side
    789,954.75x = 1,420,677,458,123.06
  5. Step 5: Solve for x
    x = 1,420,677,458,123.06/789,954.75
  6. Step 6: Final answer
    x = 1,798,428.91

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.