Home / 6,715-7,687

Finding the Third Proportional to 6,715 and 7,687

Calculator

Solution

The third proportional to 6,715 and 7,687 is: 8,799.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,715 : 7,687 = 7,687 : x
  2. Step 2: Convert to fraction form
    6,715/7,687 = 7,687/x
  3. Step 3: Cross multiply
    6,715x = 7,687 × 7,687
  4. Step 4: Simplify right side
    6,715x = 59,089,969
  5. Step 5: Solve for x
    x = 59,089,969/6,715
  6. Step 6: Final answer
    x = 8,799.70

Related Problems

Find third proportional to 3,357.50 and 3,843.50
Half scale
Find third proportional to 13,430 and 15,374
Double scale
Find third proportional to 6,717 and 7,689
Similar ratio
Find third proportional to 10,072.50 and 11,530.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.