Home / 156,028-235,420

Finding the Third Proportional to 156,028 and 235,420

Calculator

Solution

The third proportional to 156,028 and 235,420 is: 355,209.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,028 : 235,420 = 235,420 : x
  2. Step 2: Convert to fraction form
    156,028/235,420 = 235,420/x
  3. Step 3: Cross multiply
    156,028x = 235,420 × 235,420
  4. Step 4: Simplify right side
    156,028x = 55,422,576,400
  5. Step 5: Solve for x
    x = 55,422,576,400/156,028
  6. Step 6: Final answer
    x = 355,209.17

Related Problems

Find third proportional to 78,014 and 117,710
Half scale
Find third proportional to 312,056 and 470,840
Double scale
Find third proportional to 156,030 and 235,423
Similar ratio
Find third proportional to 234,042 and 353,130
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.