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Finding the Third Proportional to 346.50 and 464.75

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Solution

The third proportional to 346.50 and 464.75 is: 623.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    346.50 : 464.75 = 464.75 : x
  2. Step 2: Convert to fraction form
    346.50/464.75 = 464.75/x
  3. Step 3: Cross multiply
    346.50x = 464.75 × 464.75
  4. Step 4: Simplify right side
    346.50x = 215,992.56
  5. Step 5: Solve for x
    x = 215,992.56/346.50
  6. Step 6: Final answer
    x = 623.36

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.