Home / 132,286-312,216

Finding the Third Proportional to 132,286 and 312,216

Calculator

Solution

The third proportional to 132,286 and 312,216 is: 736,879.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,286 : 312,216 = 312,216 : x
  2. Step 2: Convert to fraction form
    132,286/312,216 = 312,216/x
  3. Step 3: Cross multiply
    132,286x = 312,216 × 312,216
  4. Step 4: Simplify right side
    132,286x = 97,478,830,656
  5. Step 5: Solve for x
    x = 97,478,830,656/132,286
  6. Step 6: Final answer
    x = 736,879.42

Related Problems

Find third proportional to 66,143 and 156,108
Half scale
Find third proportional to 264,572 and 624,432
Double scale
Find third proportional to 132,288 and 312,221
Similar ratio
Find third proportional to 198,429 and 468,324
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.