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Finding the Third Proportional to 1,297.69 and 1,937.67

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Solution

The third proportional to 1,297.69 and 1,937.67 is: 2,893.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297.69 : 1,937.67 = 1,937.67 : x
  2. Step 2: Convert to fraction form
    1,297.69/1,937.67 = 1,937.67/x
  3. Step 3: Cross multiply
    1,297.69x = 1,937.67 × 1,937.67
  4. Step 4: Simplify right side
    1,297.69x = 3,754,572.30
  5. Step 5: Solve for x
    x = 3,754,572.30/1,297.69
  6. Step 6: Final answer
    x = 2,893.28

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.