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Finding the Third Proportional to 794.53 and 1,643.06

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Solution

The third proportional to 794.53 and 1,643.06 is: 3,397.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.53 : 1,643.06 = 1,643.06 : x
  2. Step 2: Convert to fraction form
    794.53/1,643.06 = 1,643.06/x
  3. Step 3: Cross multiply
    794.53x = 1,643.06 × 1,643.06
  4. Step 4: Simplify right side
    794.53x = 2,699,654.38
  5. Step 5: Solve for x
    x = 2,699,654.38/794.53
  6. Step 6: Final answer
    x = 3,397.80

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.