Home / 31,482-68,804

Finding the Third Proportional to 31,482 and 68,804

Calculator

Solution

The third proportional to 31,482 and 68,804 is: 150,371.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,482 : 68,804 = 68,804 : x
  2. Step 2: Convert to fraction form
    31,482/68,804 = 68,804/x
  3. Step 3: Cross multiply
    31,482x = 68,804 × 68,804
  4. Step 4: Simplify right side
    31,482x = 4,733,990,416
  5. Step 5: Solve for x
    x = 4,733,990,416/31,482
  6. Step 6: Final answer
    x = 150,371.34

Related Problems

Find third proportional to 15,741 and 34,402
Half scale
Find third proportional to 62,964 and 137,608
Double scale
Find third proportional to 31,484 and 68,808
Similar ratio
Find third proportional to 47,223 and 103,206
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.