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Finding the Third Proportional to 482.63 and 698.63

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Solution

The third proportional to 482.63 and 698.63 is: 1,011.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.63 : 698.63 = 698.63 : x
  2. Step 2: Convert to fraction form
    482.63/698.63 = 698.63/x
  3. Step 3: Cross multiply
    482.63x = 698.63 × 698.63
  4. Step 4: Simplify right side
    482.63x = 488,076.89
  5. Step 5: Solve for x
    x = 488,076.89/482.63
  6. Step 6: Final answer
    x = 1,011.30

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.