Home / 40,258-87,432

Finding the Third Proportional to 40,258 and 87,432

Calculator

Solution

The third proportional to 40,258 and 87,432 is: 189,884.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,258 : 87,432 = 87,432 : x
  2. Step 2: Convert to fraction form
    40,258/87,432 = 87,432/x
  3. Step 3: Cross multiply
    40,258x = 87,432 × 87,432
  4. Step 4: Simplify right side
    40,258x = 7,644,354,624
  5. Step 5: Solve for x
    x = 7,644,354,624/40,258
  6. Step 6: Final answer
    x = 189,884.11

Related Problems

Find third proportional to 20,129 and 43,716
Half scale
Find third proportional to 80,516 and 174,864
Double scale
Find third proportional to 40,260 and 87,436
Similar ratio
Find third proportional to 60,387 and 131,148
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.