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Finding the Third Proportional to 3,127 and 3,964.50

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Solution

The third proportional to 3,127 and 3,964.50 is: 5,026.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127 : 3,964.50 = 3,964.50 : x
  2. Step 2: Convert to fraction form
    3,127/3,964.50 = 3,964.50/x
  3. Step 3: Cross multiply
    3,127x = 3,964.50 × 3,964.50
  4. Step 4: Simplify right side
    3,127x = 15,717,260.25
  5. Step 5: Solve for x
    x = 15,717,260.25/3,127
  6. Step 6: Final answer
    x = 5,026.31

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.