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Finding the Third Proportional to 2,127 and 3,210

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Solution

The third proportional to 2,127 and 3,210 is: 4,844.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127 : 3,210 = 3,210 : x
  2. Step 2: Convert to fraction form
    2,127/3,210 = 3,210/x
  3. Step 3: Cross multiply
    2,127x = 3,210 × 3,210
  4. Step 4: Simplify right side
    2,127x = 10,304,100
  5. Step 5: Solve for x
    x = 10,304,100/2,127
  6. Step 6: Final answer
    x = 4,844.43

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.