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Finding the Third Proportional to 464.63 and 680.63

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Solution

The third proportional to 464.63 and 680.63 is: 997.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.63 : 680.63 = 680.63 : x
  2. Step 2: Convert to fraction form
    464.63/680.63 = 680.63/x
  3. Step 3: Cross multiply
    464.63x = 680.63 × 680.63
  4. Step 4: Simplify right side
    464.63x = 463,250.39
  5. Step 5: Solve for x
    x = 463,250.39/464.63
  6. Step 6: Final answer
    x = 997.04

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.