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Finding the Third Proportional to 93.63 and 143

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Solution

The third proportional to 93.63 and 143 is: 218.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.63 : 143 = 143 : x
  2. Step 2: Convert to fraction form
    93.63/143 = 143/x
  3. Step 3: Cross multiply
    93.63x = 143 × 143
  4. Step 4: Simplify right side
    93.63x = 20,449
  5. Step 5: Solve for x
    x = 20,449/93.63
  6. Step 6: Final answer
    x = 218.41

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.