Home / 72,368-156,400

Finding the Third Proportional to 72,368 and 156,400

Calculator

Solution

The third proportional to 72,368 and 156,400 is: 338,007.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,368 : 156,400 = 156,400 : x
  2. Step 2: Convert to fraction form
    72,368/156,400 = 156,400/x
  3. Step 3: Cross multiply
    72,368x = 156,400 × 156,400
  4. Step 4: Simplify right side
    72,368x = 24,460,960,000
  5. Step 5: Solve for x
    x = 24,460,960,000/72,368
  6. Step 6: Final answer
    x = 338,007.96

Related Problems

Find third proportional to 36,184 and 78,200
Half scale
Find third proportional to 144,736 and 312,800
Double scale
Find third proportional to 72,370 and 156,404
Similar ratio
Find third proportional to 108,552 and 234,600
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.