Home / 57,996-128,952

Finding the Third Proportional to 57,996 and 128,952

Calculator

Solution

The third proportional to 57,996 and 128,952 is: 286,720.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,996 : 128,952 = 128,952 : x
  2. Step 2: Convert to fraction form
    57,996/128,952 = 128,952/x
  3. Step 3: Cross multiply
    57,996x = 128,952 × 128,952
  4. Step 4: Simplify right side
    57,996x = 16,628,618,304
  5. Step 5: Solve for x
    x = 16,628,618,304/57,996
  6. Step 6: Final answer
    x = 286,720.09

Related Problems

Find third proportional to 28,998 and 64,476
Half scale
Find third proportional to 115,992 and 257,904
Double scale
Find third proportional to 57,998 and 128,956
Similar ratio
Find third proportional to 86,994 and 193,428
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.