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Finding the Third Proportional to 1,836 and 2,700

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Solution

The third proportional to 1,836 and 2,700 is: 3,970.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836 : 2,700 = 2,700 : x
  2. Step 2: Convert to fraction form
    1,836/2,700 = 2,700/x
  3. Step 3: Cross multiply
    1,836x = 2,700 × 2,700
  4. Step 4: Simplify right side
    1,836x = 7,290,000
  5. Step 5: Solve for x
    x = 7,290,000/1,836
  6. Step 6: Final answer
    x = 3,970.59

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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.