Home / 6,561-12,771

Finding the Third Proportional to 6,561 and 12,771

Calculator

Solution

The third proportional to 6,561 and 12,771 is: 24,858.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,561 : 12,771 = 12,771 : x
  2. Step 2: Convert to fraction form
    6,561/12,771 = 12,771/x
  3. Step 3: Cross multiply
    6,561x = 12,771 × 12,771
  4. Step 4: Simplify right side
    6,561x = 163,098,441
  5. Step 5: Solve for x
    x = 163,098,441/6,561
  6. Step 6: Final answer
    x = 24,858.78

Related Problems

Find third proportional to 3,280.50 and 6,385.50
Half scale
Find third proportional to 13,122 and 25,542
Double scale
Find third proportional to 6,563 and 12,775
Similar ratio
Find third proportional to 9,841.50 and 19,156.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.