Home / 18,260-39,312

Finding the Third Proportional to 18,260 and 39,312

Calculator

Solution

The third proportional to 18,260 and 39,312 is: 84,634.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,260 : 39,312 = 39,312 : x
  2. Step 2: Convert to fraction form
    18,260/39,312 = 39,312/x
  3. Step 3: Cross multiply
    18,260x = 39,312 × 39,312
  4. Step 4: Simplify right side
    18,260x = 1,545,433,344
  5. Step 5: Solve for x
    x = 1,545,433,344/18,260
  6. Step 6: Final answer
    x = 84,634.90

Related Problems

Find third proportional to 9,130 and 19,656
Half scale
Find third proportional to 36,520 and 78,624
Double scale
Find third proportional to 18,262 and 39,316
Similar ratio
Find third proportional to 27,390 and 58,968
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.