Home / 6,740-7,208

Finding the Third Proportional to 6,740 and 7,208

Calculator

Solution

The third proportional to 6,740 and 7,208 is: 7,708.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,740 : 7,208 = 7,208 : x
  2. Step 2: Convert to fraction form
    6,740/7,208 = 7,208/x
  3. Step 3: Cross multiply
    6,740x = 7,208 × 7,208
  4. Step 4: Simplify right side
    6,740x = 51,955,264
  5. Step 5: Solve for x
    x = 51,955,264/6,740
  6. Step 6: Final answer
    x = 7,708.50

Related Problems

Find third proportional to 3,370 and 3,604
Half scale
Find third proportional to 13,480 and 14,416
Double scale
Find third proportional to 6,742 and 7,210
Similar ratio
Find third proportional to 10,110 and 10,812
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.