Home / 18,054-20,646

Finding the Third Proportional to 18,054 and 20,646

Calculator

Solution

The third proportional to 18,054 and 20,646 is: 23,610.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,054 : 20,646 = 20,646 : x
  2. Step 2: Convert to fraction form
    18,054/20,646 = 20,646/x
  3. Step 3: Cross multiply
    18,054x = 20,646 × 20,646
  4. Step 4: Simplify right side
    18,054x = 426,257,316
  5. Step 5: Solve for x
    x = 426,257,316/18,054
  6. Step 6: Final answer
    x = 23,610.13

Related Problems

Find third proportional to 9,027 and 10,323
Half scale
Find third proportional to 36,108 and 41,292
Double scale
Find third proportional to 18,056 and 20,648
Similar ratio
Find third proportional to 27,081 and 30,969
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.