Home / 28,282-40,208

Finding the Third Proportional to 28,282 and 40,208

Calculator

Solution

The third proportional to 28,282 and 40,208 is: 57,162.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,282 : 40,208 = 40,208 : x
  2. Step 2: Convert to fraction form
    28,282/40,208 = 40,208/x
  3. Step 3: Cross multiply
    28,282x = 40,208 × 40,208
  4. Step 4: Simplify right side
    28,282x = 1,616,683,264
  5. Step 5: Solve for x
    x = 1,616,683,264/28,282
  6. Step 6: Final answer
    x = 57,162.98

Related Problems

Find third proportional to 14,141 and 20,104
Half scale
Find third proportional to 56,564 and 80,416
Double scale
Find third proportional to 28,284 and 40,211
Similar ratio
Find third proportional to 42,423 and 60,312
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.