Home / 8,737-17,878

Finding the Third Proportional to 8,737 and 17,878

Calculator

Solution

The third proportional to 8,737 and 17,878 is: 36,582.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,737 : 17,878 = 17,878 : x
  2. Step 2: Convert to fraction form
    8,737/17,878 = 17,878/x
  3. Step 3: Cross multiply
    8,737x = 17,878 × 17,878
  4. Step 4: Simplify right side
    8,737x = 319,622,884
  5. Step 5: Solve for x
    x = 319,622,884/8,737
  6. Step 6: Final answer
    x = 36,582.68

Related Problems

Find third proportional to 4,368.50 and 8,939
Half scale
Find third proportional to 17,474 and 35,756
Double scale
Find third proportional to 8,739 and 17,882
Similar ratio
Find third proportional to 13,105.50 and 26,817
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.