Home / 40,318-87,634

Finding the Third Proportional to 40,318 and 87,634

Calculator

Solution

The third proportional to 40,318 and 87,634 is: 190,478.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,318 : 87,634 = 87,634 : x
  2. Step 2: Convert to fraction form
    40,318/87,634 = 87,634/x
  3. Step 3: Cross multiply
    40,318x = 87,634 × 87,634
  4. Step 4: Simplify right side
    40,318x = 7,679,717,956
  5. Step 5: Solve for x
    x = 7,679,717,956/40,318
  6. Step 6: Final answer
    x = 190,478.64

Related Problems

Find third proportional to 20,159 and 43,817
Half scale
Find third proportional to 80,636 and 175,268
Double scale
Find third proportional to 40,320 and 87,638
Similar ratio
Find third proportional to 60,477 and 131,451
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.