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Finding the Third Proportional to 71,074.50 and 153,219.75

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Solution

The third proportional to 71,074.50 and 153,219.75 is: 330,305.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,074.50 : 153,219.75 = 153,219.75 : x
  2. Step 2: Convert to fraction form
    71,074.50/153,219.75 = 153,219.75/x
  3. Step 3: Cross multiply
    71,074.50x = 153,219.75 × 153,219.75
  4. Step 4: Simplify right side
    71,074.50x = 23,476,291,790.06
  5. Step 5: Solve for x
    x = 23,476,291,790.06/71,074.50
  6. Step 6: Final answer
    x = 330,305.41

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.