Home / 57,528-121,968

Finding the Third Proportional to 57,528 and 121,968

Calculator

Solution

The third proportional to 57,528 and 121,968 is: 258,590.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,528 : 121,968 = 121,968 : x
  2. Step 2: Convert to fraction form
    57,528/121,968 = 121,968/x
  3. Step 3: Cross multiply
    57,528x = 121,968 × 121,968
  4. Step 4: Simplify right side
    57,528x = 14,876,193,024
  5. Step 5: Solve for x
    x = 14,876,193,024/57,528
  6. Step 6: Final answer
    x = 258,590.48

Related Problems

Find third proportional to 28,764 and 60,984
Half scale
Find third proportional to 115,056 and 243,936
Double scale
Find third proportional to 57,530 and 121,972
Similar ratio
Find third proportional to 86,292 and 182,952
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.