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Finding the Third Proportional to 93.75 and 145.25

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Solution

The third proportional to 93.75 and 145.25 is: 225.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.75 : 145.25 = 145.25 : x
  2. Step 2: Convert to fraction form
    93.75/145.25 = 145.25/x
  3. Step 3: Cross multiply
    93.75x = 145.25 × 145.25
  4. Step 4: Simplify right side
    93.75x = 21,097.56
  5. Step 5: Solve for x
    x = 21,097.56/93.75
  6. Step 6: Final answer
    x = 225.04

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.