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Finding the Third Proportional to 663.94 and 1,460.25

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Solution

The third proportional to 663.94 and 1,460.25 is: 3,211.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    663.94 : 1,460.25 = 1,460.25 : x
  2. Step 2: Convert to fraction form
    663.94/1,460.25 = 1,460.25/x
  3. Step 3: Cross multiply
    663.94x = 1,460.25 × 1,460.25
  4. Step 4: Simplify right side
    663.94x = 2,132,330.06
  5. Step 5: Solve for x
    x = 2,132,330.06/663.94
  6. Step 6: Final answer
    x = 3,211.64

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.