Home / 55,712-86,956

Finding the Third Proportional to 55,712 and 86,956

Calculator

Solution

The third proportional to 55,712 and 86,956 is: 135,722.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,712 : 86,956 = 86,956 : x
  2. Step 2: Convert to fraction form
    55,712/86,956 = 86,956/x
  3. Step 3: Cross multiply
    55,712x = 86,956 × 86,956
  4. Step 4: Simplify right side
    55,712x = 7,561,345,936
  5. Step 5: Solve for x
    x = 7,561,345,936/55,712
  6. Step 6: Final answer
    x = 135,722.03

Related Problems

Find third proportional to 27,856 and 43,478
Half scale
Find third proportional to 111,424 and 173,912
Double scale
Find third proportional to 55,714 and 86,959
Similar ratio
Find third proportional to 83,568 and 130,434
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.