Home / 16,890-36,330

Finding the Third Proportional to 16,890 and 36,330

Calculator

Solution

The third proportional to 16,890 and 36,330 is: 78,144.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,890 : 36,330 = 36,330 : x
  2. Step 2: Convert to fraction form
    16,890/36,330 = 36,330/x
  3. Step 3: Cross multiply
    16,890x = 36,330 × 36,330
  4. Step 4: Simplify right side
    16,890x = 1,319,868,900
  5. Step 5: Solve for x
    x = 1,319,868,900/16,890
  6. Step 6: Final answer
    x = 78,144.99

Related Problems

Find third proportional to 8,445 and 18,165
Half scale
Find third proportional to 33,780 and 72,660
Double scale
Find third proportional to 16,892 and 36,334
Similar ratio
Find third proportional to 25,335 and 54,495
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.