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Finding the Third Proportional to 3,140 and 4,526

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Solution

The third proportional to 3,140 and 4,526 is: 6,523.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140 : 4,526 = 4,526 : x
  2. Step 2: Convert to fraction form
    3,140/4,526 = 4,526/x
  3. Step 3: Cross multiply
    3,140x = 4,526 × 4,526
  4. Step 4: Simplify right side
    3,140x = 20,484,676
  5. Step 5: Solve for x
    x = 20,484,676/3,140
  6. Step 6: Final answer
    x = 6,523.78

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.