Home / 109,372-156,400

Finding the Third Proportional to 109,372 and 156,400

Calculator

Solution

The third proportional to 109,372 and 156,400 is: 223,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,372 : 156,400 = 156,400 : x
  2. Step 2: Convert to fraction form
    109,372/156,400 = 156,400/x
  3. Step 3: Cross multiply
    109,372x = 156,400 × 156,400
  4. Step 4: Simplify right side
    109,372x = 24,460,960,000
  5. Step 5: Solve for x
    x = 24,460,960,000/109,372
  6. Step 6: Final answer
    x = 223,649.20

Related Problems

Find third proportional to 54,686 and 78,200
Half scale
Find third proportional to 218,744 and 312,800
Double scale
Find third proportional to 109,374 and 156,403
Similar ratio
Find third proportional to 164,058 and 234,600
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.