Home / 49,239-78,165

Finding the Third Proportional to 49,239 and 78,165

Calculator

Solution

The third proportional to 49,239 and 78,165 is: 124,083.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,239 : 78,165 = 78,165 : x
  2. Step 2: Convert to fraction form
    49,239/78,165 = 78,165/x
  3. Step 3: Cross multiply
    49,239x = 78,165 × 78,165
  4. Step 4: Simplify right side
    49,239x = 6,109,767,225
  5. Step 5: Solve for x
    x = 6,109,767,225/49,239
  6. Step 6: Final answer
    x = 124,083.90

Related Problems

Find third proportional to 24,619.50 and 39,082.50
Half scale
Find third proportional to 98,478 and 156,330
Double scale
Find third proportional to 49,241 and 78,168
Similar ratio
Find third proportional to 73,858.50 and 117,247.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.