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Finding the Third Proportional to 93.63 and 155.63

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Solution

The third proportional to 93.63 and 155.63 is: 258.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.63 : 155.63 = 155.63 : x
  2. Step 2: Convert to fraction form
    93.63/155.63 = 155.63/x
  3. Step 3: Cross multiply
    93.63x = 155.63 × 155.63
  4. Step 4: Simplify right side
    93.63x = 24,219.14
  5. Step 5: Solve for x
    x = 24,219.14/93.63
  6. Step 6: Final answer
    x = 258.68

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.