Home / 12,120-26,310

Finding the Third Proportional to 12,120 and 26,310

Calculator

Solution

The third proportional to 12,120 and 26,310 is: 57,113.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,120 : 26,310 = 26,310 : x
  2. Step 2: Convert to fraction form
    12,120/26,310 = 26,310/x
  3. Step 3: Cross multiply
    12,120x = 26,310 × 26,310
  4. Step 4: Simplify right side
    12,120x = 692,216,100
  5. Step 5: Solve for x
    x = 692,216,100/12,120
  6. Step 6: Final answer
    x = 57,113.54

Related Problems

Find third proportional to 6,060 and 13,155
Half scale
Find third proportional to 24,240 and 52,620
Double scale
Find third proportional to 12,122 and 26,314
Similar ratio
Find third proportional to 18,180 and 39,465
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.