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Finding the Third Proportional to 841.81 and 1,836.63

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Solution

The third proportional to 841.81 and 1,836.63 is: 4,007.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    841.81 : 1,836.63 = 1,836.63 : x
  2. Step 2: Convert to fraction form
    841.81/1,836.63 = 1,836.63/x
  3. Step 3: Cross multiply
    841.81x = 1,836.63 × 1,836.63
  4. Step 4: Simplify right side
    841.81x = 3,373,191.39
  5. Step 5: Solve for x
    x = 3,373,191.39/841.81
  6. Step 6: Final answer
    x = 4,007.06

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.