Home / 92,178-138,915

Finding the Third Proportional to 92,178 and 138,915

Calculator

Solution

The third proportional to 92,178 and 138,915 is: 209,349.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,178 : 138,915 = 138,915 : x
  2. Step 2: Convert to fraction form
    92,178/138,915 = 138,915/x
  3. Step 3: Cross multiply
    92,178x = 138,915 × 138,915
  4. Step 4: Simplify right side
    92,178x = 19,297,377,225
  5. Step 5: Solve for x
    x = 19,297,377,225/92,178
  6. Step 6: Final answer
    x = 209,349.06

Related Problems

Find third proportional to 46,089 and 69,457.50
Half scale
Find third proportional to 184,356 and 277,830
Double scale
Find third proportional to 92,180 and 138,918
Similar ratio
Find third proportional to 138,267 and 208,372.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.