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Finding the Third Proportional to 189 and 460.50

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Solution

The third proportional to 189 and 460.50 is: 1,122.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    189 : 460.50 = 460.50 : x
  2. Step 2: Convert to fraction form
    189/460.50 = 460.50/x
  3. Step 3: Cross multiply
    189x = 460.50 × 460.50
  4. Step 4: Simplify right side
    189x = 212,060.25
  5. Step 5: Solve for x
    x = 212,060.25/189
  6. Step 6: Final answer
    x = 1,122.01

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Why These Related Problems?

These problems maintain the same ratio (2.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.