Home / 7,755-16,989

Finding the Third Proportional to 7,755 and 16,989

Calculator

Solution

The third proportional to 7,755 and 16,989 is: 37,218.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,755 : 16,989 = 16,989 : x
  2. Step 2: Convert to fraction form
    7,755/16,989 = 16,989/x
  3. Step 3: Cross multiply
    7,755x = 16,989 × 16,989
  4. Step 4: Simplify right side
    7,755x = 288,626,121
  5. Step 5: Solve for x
    x = 288,626,121/7,755
  6. Step 6: Final answer
    x = 37,218.07

Related Problems

Find third proportional to 3,877.50 and 8,494.50
Half scale
Find third proportional to 15,510 and 33,978
Double scale
Find third proportional to 7,757 and 16,993
Similar ratio
Find third proportional to 11,632.50 and 25,483.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.