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Finding the Third Proportional to 166,645 and 366,643

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Solution

The third proportional to 166,645 and 366,643 is: 806,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,645 : 366,643 = 366,643 : x
  2. Step 2: Convert to fraction form
    166,645/366,643 = 366,643/x
  3. Step 3: Cross multiply
    166,645x = 366,643 × 366,643
  4. Step 4: Simplify right side
    166,645x = 134,427,089,449
  5. Step 5: Solve for x
    x = 134,427,089,449/166,645
  6. Step 6: Final answer
    x = 806,667.40

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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.