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Finding the Third Proportional to 60,219 and 91,899

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Solution

The third proportional to 60,219 and 91,899 is: 140,245.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,219 : 91,899 = 91,899 : x
  2. Step 2: Convert to fraction form
    60,219/91,899 = 91,899/x
  3. Step 3: Cross multiply
    60,219x = 91,899 × 91,899
  4. Step 4: Simplify right side
    60,219x = 8,445,426,201
  5. Step 5: Solve for x
    x = 8,445,426,201/60,219
  6. Step 6: Final answer
    x = 140,245.21

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.