Home / 8,355-18,054

Finding the Third Proportional to 8,355 and 18,054

Calculator

Solution

The third proportional to 8,355 and 18,054 is: 39,012.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355 : 18,054 = 18,054 : x
  2. Step 2: Convert to fraction form
    8,355/18,054 = 18,054/x
  3. Step 3: Cross multiply
    8,355x = 18,054 × 18,054
  4. Step 4: Simplify right side
    8,355x = 325,946,916
  5. Step 5: Solve for x
    x = 325,946,916/8,355
  6. Step 6: Final answer
    x = 39,012.20

Related Problems

Find third proportional to 4,177.50 and 9,027
Half scale
Find third proportional to 16,710 and 36,108
Double scale
Find third proportional to 8,357 and 18,058
Similar ratio
Find third proportional to 12,532.50 and 27,081
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.