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Finding the Third Proportional to 1,347 and 3,104.25

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Solution

The third proportional to 1,347 and 3,104.25 is: 7,153.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347 : 3,104.25 = 3,104.25 : x
  2. Step 2: Convert to fraction form
    1,347/3,104.25 = 3,104.25/x
  3. Step 3: Cross multiply
    1,347x = 3,104.25 × 3,104.25
  4. Step 4: Simplify right side
    1,347x = 9,636,368.06
  5. Step 5: Solve for x
    x = 9,636,368.06/1,347
  6. Step 6: Final answer
    x = 7,153.95

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.