Home / 38,634-84,642

Finding the Third Proportional to 38,634 and 84,642

Calculator

Solution

The third proportional to 38,634 and 84,642 is: 185,439.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,634 : 84,642 = 84,642 : x
  2. Step 2: Convert to fraction form
    38,634/84,642 = 84,642/x
  3. Step 3: Cross multiply
    38,634x = 84,642 × 84,642
  4. Step 4: Simplify right side
    38,634x = 7,164,268,164
  5. Step 5: Solve for x
    x = 7,164,268,164/38,634
  6. Step 6: Final answer
    x = 185,439.46

Related Problems

Find third proportional to 19,317 and 42,321
Half scale
Find third proportional to 77,268 and 169,284
Double scale
Find third proportional to 38,636 and 84,646
Similar ratio
Find third proportional to 57,951 and 126,963
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.