Home / 8,209-18,058

Finding the Third Proportional to 8,209 and 18,058

Calculator

Solution

The third proportional to 8,209 and 18,058 is: 39,723.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209 : 18,058 = 18,058 : x
  2. Step 2: Convert to fraction form
    8,209/18,058 = 18,058/x
  3. Step 3: Cross multiply
    8,209x = 18,058 × 18,058
  4. Step 4: Simplify right side
    8,209x = 326,091,364
  5. Step 5: Solve for x
    x = 326,091,364/8,209
  6. Step 6: Final answer
    x = 39,723.64

Related Problems

Find third proportional to 4,104.50 and 9,029
Half scale
Find third proportional to 16,418 and 36,116
Double scale
Find third proportional to 8,211 and 18,062
Similar ratio
Find third proportional to 12,313.50 and 27,087
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.