Home / 9,136-12,943

Finding the Third Proportional to 9,136 and 12,943

Calculator

Solution

The third proportional to 9,136 and 12,943 is: 18,336.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,136 : 12,943 = 12,943 : x
  2. Step 2: Convert to fraction form
    9,136/12,943 = 12,943/x
  3. Step 3: Cross multiply
    9,136x = 12,943 × 12,943
  4. Step 4: Simplify right side
    9,136x = 167,521,249
  5. Step 5: Solve for x
    x = 167,521,249/9,136
  6. Step 6: Final answer
    x = 18,336.39

Related Problems

Find third proportional to 4,568 and 6,471.50
Half scale
Find third proportional to 18,272 and 25,886
Double scale
Find third proportional to 9,138 and 12,946
Similar ratio
Find third proportional to 13,704 and 19,414.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.