Home / 6,618-7,310

Finding the Third Proportional to 6,618 and 7,310

Calculator

Solution

The third proportional to 6,618 and 7,310 is: 8,074.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618 : 7,310 = 7,310 : x
  2. Step 2: Convert to fraction form
    6,618/7,310 = 7,310/x
  3. Step 3: Cross multiply
    6,618x = 7,310 × 7,310
  4. Step 4: Simplify right side
    6,618x = 53,436,100
  5. Step 5: Solve for x
    x = 53,436,100/6,618
  6. Step 6: Final answer
    x = 8,074.36

Related Problems

Find third proportional to 3,309 and 3,655
Half scale
Find third proportional to 13,236 and 14,620
Double scale
Find third proportional to 6,620 and 7,312
Similar ratio
Find third proportional to 9,927 and 10,965
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.