Home / 18,460-28,230

Finding the Third Proportional to 18,460 and 28,230

Calculator

Solution

The third proportional to 18,460 and 28,230 is: 43,170.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,460 : 28,230 = 28,230 : x
  2. Step 2: Convert to fraction form
    18,460/28,230 = 28,230/x
  3. Step 3: Cross multiply
    18,460x = 28,230 × 28,230
  4. Step 4: Simplify right side
    18,460x = 796,932,900
  5. Step 5: Solve for x
    x = 796,932,900/18,460
  6. Step 6: Final answer
    x = 43,170.80

Related Problems

Find third proportional to 9,230 and 14,115
Half scale
Find third proportional to 36,920 and 56,460
Double scale
Find third proportional to 18,462 and 28,233
Similar ratio
Find third proportional to 27,690 and 42,345
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.