Home / 6,510-7,918

Finding the Third Proportional to 6,510 and 7,918

Calculator

Solution

The third proportional to 6,510 and 7,918 is: 9,630.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,510 : 7,918 = 7,918 : x
  2. Step 2: Convert to fraction form
    6,510/7,918 = 7,918/x
  3. Step 3: Cross multiply
    6,510x = 7,918 × 7,918
  4. Step 4: Simplify right side
    6,510x = 62,694,724
  5. Step 5: Solve for x
    x = 62,694,724/6,510
  6. Step 6: Final answer
    x = 9,630.53

Related Problems

Find third proportional to 3,255 and 3,959
Half scale
Find third proportional to 13,020 and 15,836
Double scale
Find third proportional to 6,512 and 7,920
Similar ratio
Find third proportional to 9,765 and 11,877
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.