Home / 1,186-1,292

Finding the Third Proportional to 1,186 and 1,292

Calculator

Solution

The third proportional to 1,186 and 1,292 is: 1,407.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186 : 1,292 = 1,292 : x
  2. Step 2: Convert to fraction form
    1,186/1,292 = 1,292/x
  3. Step 3: Cross multiply
    1,186x = 1,292 × 1,292
  4. Step 4: Simplify right side
    1,186x = 1,669,264
  5. Step 5: Solve for x
    x = 1,669,264/1,186
  6. Step 6: Final answer
    x = 1,407.47

Related Problems

Find third proportional to 593 and 646
Half scale
Find third proportional to 2,372 and 2,584
Double scale
Find third proportional to 1,188 and 1,294
Similar ratio
Find third proportional to 1,779 and 1,938
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.