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Finding the Third Proportional to 38,562 and 78,197.25

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Solution

The third proportional to 38,562 and 78,197.25 is: 158,570.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,562 : 78,197.25 = 78,197.25 : x
  2. Step 2: Convert to fraction form
    38,562/78,197.25 = 78,197.25/x
  3. Step 3: Cross multiply
    38,562x = 78,197.25 × 78,197.25
  4. Step 4: Simplify right side
    38,562x = 6,114,809,907.56
  5. Step 5: Solve for x
    x = 6,114,809,907.56/38,562
  6. Step 6: Final answer
    x = 158,570.87

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.