Home / 18,212-39,300

Finding the Third Proportional to 18,212 and 39,300

Calculator

Solution

The third proportional to 18,212 and 39,300 is: 84,806.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,212 : 39,300 = 39,300 : x
  2. Step 2: Convert to fraction form
    18,212/39,300 = 39,300/x
  3. Step 3: Cross multiply
    18,212x = 39,300 × 39,300
  4. Step 4: Simplify right side
    18,212x = 1,544,490,000
  5. Step 5: Solve for x
    x = 1,544,490,000/18,212
  6. Step 6: Final answer
    x = 84,806.17

Related Problems

Find third proportional to 9,106 and 19,650
Half scale
Find third proportional to 36,424 and 78,600
Double scale
Find third proportional to 18,214 and 39,304
Similar ratio
Find third proportional to 27,318 and 58,950
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.