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Finding the Third Proportional to 1,771 and 3,653.50

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Solution

The third proportional to 1,771 and 3,653.50 is: 7,537.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771 : 3,653.50 = 3,653.50 : x
  2. Step 2: Convert to fraction form
    1,771/3,653.50 = 3,653.50/x
  3. Step 3: Cross multiply
    1,771x = 3,653.50 × 3,653.50
  4. Step 4: Simplify right side
    1,771x = 13,348,062.25
  5. Step 5: Solve for x
    x = 13,348,062.25/1,771
  6. Step 6: Final answer
    x = 7,537.02

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.