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Finding the Third Proportional to 93.02 and 139.54

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Solution

The third proportional to 93.02 and 139.54 is: 209.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.02 : 139.54 = 139.54 : x
  2. Step 2: Convert to fraction form
    93.02/139.54 = 139.54/x
  3. Step 3: Cross multiply
    93.02x = 139.54 × 139.54
  4. Step 4: Simplify right side
    93.02x = 19,470.06
  5. Step 5: Solve for x
    x = 19,470.06/93.02
  6. Step 6: Final answer
    x = 209.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.