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Finding the Third Proportional to 1,738.50 and 3,742.50

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Solution

The third proportional to 1,738.50 and 3,742.50 is: 8,056.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738.50 : 3,742.50 = 3,742.50 : x
  2. Step 2: Convert to fraction form
    1,738.50/3,742.50 = 3,742.50/x
  3. Step 3: Cross multiply
    1,738.50x = 3,742.50 × 3,742.50
  4. Step 4: Simplify right side
    1,738.50x = 14,006,306.25
  5. Step 5: Solve for x
    x = 14,006,306.25/1,738.50
  6. Step 6: Final answer
    x = 8,056.55

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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.