Home / 72,087-110,862

Finding the Third Proportional to 72,087 and 110,862

Calculator

Solution

The third proportional to 72,087 and 110,862 is: 170,493.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,087 : 110,862 = 110,862 : x
  2. Step 2: Convert to fraction form
    72,087/110,862 = 110,862/x
  3. Step 3: Cross multiply
    72,087x = 110,862 × 110,862
  4. Step 4: Simplify right side
    72,087x = 12,290,383,044
  5. Step 5: Solve for x
    x = 12,290,383,044/72,087
  6. Step 6: Final answer
    x = 170,493.75

Related Problems

Find third proportional to 36,043.50 and 55,431
Half scale
Find third proportional to 144,174 and 221,724
Double scale
Find third proportional to 72,089 and 110,865
Similar ratio
Find third proportional to 108,130.50 and 166,293
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.