Home / 6,664-7,672

Finding the Third Proportional to 6,664 and 7,672

Calculator

Solution

The third proportional to 6,664 and 7,672 is: 8,832.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664 : 7,672 = 7,672 : x
  2. Step 2: Convert to fraction form
    6,664/7,672 = 7,672/x
  3. Step 3: Cross multiply
    6,664x = 7,672 × 7,672
  4. Step 4: Simplify right side
    6,664x = 58,859,584
  5. Step 5: Solve for x
    x = 58,859,584/6,664
  6. Step 6: Final answer
    x = 8,832.47

Related Problems

Find third proportional to 3,332 and 3,836
Half scale
Find third proportional to 13,328 and 15,344
Double scale
Find third proportional to 6,666 and 7,674
Similar ratio
Find third proportional to 9,996 and 11,508
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.