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Finding the Third Proportional to 30,169.50 and 49,305

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Solution

The third proportional to 30,169.50 and 49,305 is: 80,577.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,169.50 : 49,305 = 49,305 : x
  2. Step 2: Convert to fraction form
    30,169.50/49,305 = 49,305/x
  3. Step 3: Cross multiply
    30,169.50x = 49,305 × 49,305
  4. Step 4: Simplify right side
    30,169.50x = 2,430,983,025
  5. Step 5: Solve for x
    x = 2,430,983,025/30,169.50
  6. Step 6: Final answer
    x = 80,577.50

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.