Home / 68,266-139,933

Finding the Third Proportional to 68,266 and 139,933

Calculator

Solution

The third proportional to 68,266 and 139,933 is: 286,837.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,266 : 139,933 = 139,933 : x
  2. Step 2: Convert to fraction form
    68,266/139,933 = 139,933/x
  3. Step 3: Cross multiply
    68,266x = 139,933 × 139,933
  4. Step 4: Simplify right side
    68,266x = 19,581,244,489
  5. Step 5: Solve for x
    x = 19,581,244,489/68,266
  6. Step 6: Final answer
    x = 286,837.44

Related Problems

Find third proportional to 34,133 and 69,966.50
Half scale
Find third proportional to 136,532 and 279,866
Double scale
Find third proportional to 68,268 and 139,937
Similar ratio
Find third proportional to 102,399 and 209,899.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.