Home / 64,719-86,976

Finding the Third Proportional to 64,719 and 86,976

Calculator

Solution

The third proportional to 64,719 and 86,976 is: 116,887.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,719 : 86,976 = 86,976 : x
  2. Step 2: Convert to fraction form
    64,719/86,976 = 86,976/x
  3. Step 3: Cross multiply
    64,719x = 86,976 × 86,976
  4. Step 4: Simplify right side
    64,719x = 7,564,824,576
  5. Step 5: Solve for x
    x = 7,564,824,576/64,719
  6. Step 6: Final answer
    x = 116,887.23

Related Problems

Find third proportional to 32,359.50 and 43,488
Half scale
Find third proportional to 129,438 and 173,952
Double scale
Find third proportional to 64,721 and 86,979
Similar ratio
Find third proportional to 97,078.50 and 130,464
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.