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Finding the Third Proportional to 681.06 and 1,473.19

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Solution

The third proportional to 681.06 and 1,473.19 is: 3,186.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    681.06 : 1,473.19 = 1,473.19 : x
  2. Step 2: Convert to fraction form
    681.06/1,473.19 = 1,473.19/x
  3. Step 3: Cross multiply
    681.06x = 1,473.19 × 1,473.19
  4. Step 4: Simplify right side
    681.06x = 2,170,281.41
  5. Step 5: Solve for x
    x = 2,170,281.41/681.06
  6. Step 6: Final answer
    x = 3,186.60

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.