Home / 55,686-86,358

Finding the Third Proportional to 55,686 and 86,358

Calculator

Solution

The third proportional to 55,686 and 86,358 is: 133,924.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,686 : 86,358 = 86,358 : x
  2. Step 2: Convert to fraction form
    55,686/86,358 = 86,358/x
  3. Step 3: Cross multiply
    55,686x = 86,358 × 86,358
  4. Step 4: Simplify right side
    55,686x = 7,457,704,164
  5. Step 5: Solve for x
    x = 7,457,704,164/55,686
  6. Step 6: Final answer
    x = 133,924.22

Related Problems

Find third proportional to 27,843 and 43,179
Half scale
Find third proportional to 111,372 and 172,716
Double scale
Find third proportional to 55,688 and 86,361
Similar ratio
Find third proportional to 83,529 and 129,537
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.