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Finding the Third Proportional to 38,962 and 85,700

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Solution

The third proportional to 38,962 and 85,700 is: 188,503.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,962 : 85,700 = 85,700 : x
  2. Step 2: Convert to fraction form
    38,962/85,700 = 85,700/x
  3. Step 3: Cross multiply
    38,962x = 85,700 × 85,700
  4. Step 4: Simplify right side
    38,962x = 7,344,490,000
  5. Step 5: Solve for x
    x = 7,344,490,000/38,962
  6. Step 6: Final answer
    x = 188,503.93

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.