Home / 1,525-2,220

Finding the Third Proportional to 1,525 and 2,220

Calculator

Solution

The third proportional to 1,525 and 2,220 is: 3,231.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525 : 2,220 = 2,220 : x
  2. Step 2: Convert to fraction form
    1,525/2,220 = 2,220/x
  3. Step 3: Cross multiply
    1,525x = 2,220 × 2,220
  4. Step 4: Simplify right side
    1,525x = 4,928,400
  5. Step 5: Solve for x
    x = 4,928,400/1,525
  6. Step 6: Final answer
    x = 3,231.74

Related Problems

Find third proportional to 762.50 and 1,110
Half scale
Find third proportional to 3,050 and 4,440
Double scale
Find third proportional to 1,527 and 2,223
Similar ratio
Find third proportional to 2,287.50 and 3,330
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.