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Finding the Third Proportional to 368.30 and 801.42

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Solution

The third proportional to 368.30 and 801.42 is: 1,743.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.30 : 801.42 = 801.42 : x
  2. Step 2: Convert to fraction form
    368.30/801.42 = 801.42/x
  3. Step 3: Cross multiply
    368.30x = 801.42 × 801.42
  4. Step 4: Simplify right side
    368.30x = 642,277.02
  5. Step 5: Solve for x
    x = 642,277.02/368.30
  6. Step 6: Final answer
    x = 1,743.91

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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.