Home / 49,142-77,931

Finding the Third Proportional to 49,142 and 77,931

Calculator

Solution

The third proportional to 49,142 and 77,931 is: 123,585.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,142 : 77,931 = 77,931 : x
  2. Step 2: Convert to fraction form
    49,142/77,931 = 77,931/x
  3. Step 3: Cross multiply
    49,142x = 77,931 × 77,931
  4. Step 4: Simplify right side
    49,142x = 6,073,240,761
  5. Step 5: Solve for x
    x = 6,073,240,761/49,142
  6. Step 6: Final answer
    x = 123,585.54

Related Problems

Find third proportional to 24,571 and 38,965.50
Half scale
Find third proportional to 98,284 and 155,862
Double scale
Find third proportional to 49,144 and 77,934
Similar ratio
Find third proportional to 73,713 and 116,896.50
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.