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Finding the Third Proportional to 312.63 and 466.25

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Solution

The third proportional to 312.63 and 466.25 is: 695.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    312.63 : 466.25 = 466.25 : x
  2. Step 2: Convert to fraction form
    312.63/466.25 = 466.25/x
  3. Step 3: Cross multiply
    312.63x = 466.25 × 466.25
  4. Step 4: Simplify right side
    312.63x = 217,389.06
  5. Step 5: Solve for x
    x = 217,389.06/312.63
  6. Step 6: Final answer
    x = 695.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.