Home / 60,174-128,400

Finding the Third Proportional to 60,174 and 128,400

Calculator

Solution

The third proportional to 60,174 and 128,400 is: 273,981.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,174 : 128,400 = 128,400 : x
  2. Step 2: Convert to fraction form
    60,174/128,400 = 128,400/x
  3. Step 3: Cross multiply
    60,174x = 128,400 × 128,400
  4. Step 4: Simplify right side
    60,174x = 16,486,560,000
  5. Step 5: Solve for x
    x = 16,486,560,000/60,174
  6. Step 6: Final answer
    x = 273,981.45

Related Problems

Find third proportional to 30,087 and 64,200
Half scale
Find third proportional to 120,348 and 256,800
Double scale
Find third proportional to 60,176 and 128,404
Similar ratio
Find third proportional to 90,261 and 192,600
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.