Home / 40,358-79,682

Finding the Third Proportional to 40,358 and 79,682

Calculator

Solution

The third proportional to 40,358 and 79,682 is: 157,322.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,358 : 79,682 = 79,682 : x
  2. Step 2: Convert to fraction form
    40,358/79,682 = 79,682/x
  3. Step 3: Cross multiply
    40,358x = 79,682 × 79,682
  4. Step 4: Simplify right side
    40,358x = 6,349,221,124
  5. Step 5: Solve for x
    x = 6,349,221,124/40,358
  6. Step 6: Final answer
    x = 157,322.49

Related Problems

Find third proportional to 20,179 and 39,841
Half scale
Find third proportional to 80,716 and 159,364
Double scale
Find third proportional to 40,360 and 79,686
Similar ratio
Find third proportional to 60,537 and 119,523
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.