Home / 36,156-78,342

Finding the Third Proportional to 36,156 and 78,342

Calculator

Solution

The third proportional to 36,156 and 78,342 is: 169,749.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,156 : 78,342 = 78,342 : x
  2. Step 2: Convert to fraction form
    36,156/78,342 = 78,342/x
  3. Step 3: Cross multiply
    36,156x = 78,342 × 78,342
  4. Step 4: Simplify right side
    36,156x = 6,137,468,964
  5. Step 5: Solve for x
    x = 6,137,468,964/36,156
  6. Step 6: Final answer
    x = 169,749.67

Related Problems

Find third proportional to 18,078 and 39,171
Half scale
Find third proportional to 72,312 and 156,684
Double scale
Find third proportional to 36,158 and 78,346
Similar ratio
Find third proportional to 54,234 and 117,513
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.