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Finding the Third Proportional to 75,849 and 163,140

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Solution

The third proportional to 75,849 and 163,140 is: 350,890.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,849 : 163,140 = 163,140 : x
  2. Step 2: Convert to fraction form
    75,849/163,140 = 163,140/x
  3. Step 3: Cross multiply
    75,849x = 163,140 × 163,140
  4. Step 4: Simplify right side
    75,849x = 26,614,659,600
  5. Step 5: Solve for x
    x = 26,614,659,600/75,849
  6. Step 6: Final answer
    x = 350,890.05

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.