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Finding the Third Proportional to 164,493 and 360,402.75

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Solution

The third proportional to 164,493 and 360,402.75 is: 789,639.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,493 : 360,402.75 = 360,402.75 : x
  2. Step 2: Convert to fraction form
    164,493/360,402.75 = 360,402.75/x
  3. Step 3: Cross multiply
    164,493x = 360,402.75 × 360,402.75
  4. Step 4: Simplify right side
    164,493x = 129,890,142,207.56
  5. Step 5: Solve for x
    x = 129,890,142,207.56/164,493
  6. Step 6: Final answer
    x = 789,639.33

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.