Home / 18,208-23,640

Finding the Third Proportional to 18,208 and 23,640

Calculator

Solution

The third proportional to 18,208 and 23,640 is: 30,692.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208 : 23,640 = 23,640 : x
  2. Step 2: Convert to fraction form
    18,208/23,640 = 23,640/x
  3. Step 3: Cross multiply
    18,208x = 23,640 × 23,640
  4. Step 4: Simplify right side
    18,208x = 558,849,600
  5. Step 5: Solve for x
    x = 558,849,600/18,208
  6. Step 6: Final answer
    x = 30,692.53

Related Problems

Find third proportional to 9,104 and 11,820
Half scale
Find third proportional to 36,416 and 47,280
Double scale
Find third proportional to 18,210 and 23,643
Similar ratio
Find third proportional to 27,312 and 35,460
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.