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Finding the Third Proportional to 94 and 139.50

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Solution

The third proportional to 94 and 139.50 is: 207.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    94 : 139.50 = 139.50 : x
  2. Step 2: Convert to fraction form
    94/139.50 = 139.50/x
  3. Step 3: Cross multiply
    94x = 139.50 × 139.50
  4. Step 4: Simplify right side
    94x = 19,460.25
  5. Step 5: Solve for x
    x = 19,460.25/94
  6. Step 6: Final answer
    x = 207.02

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.