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Finding the Third Proportional to 38,300 and 57,219

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Solution

The third proportional to 38,300 and 57,219 is: 85,483.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,300 : 57,219 = 57,219 : x
  2. Step 2: Convert to fraction form
    38,300/57,219 = 57,219/x
  3. Step 3: Cross multiply
    38,300x = 57,219 × 57,219
  4. Step 4: Simplify right side
    38,300x = 3,274,013,961
  5. Step 5: Solve for x
    x = 3,274,013,961/38,300
  6. Step 6: Final answer
    x = 85,483.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.