Home / 18,209-39,536

Finding the Third Proportional to 18,209 and 39,536

Calculator

Solution

The third proportional to 18,209 and 39,536 is: 85,841.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,209 : 39,536 = 39,536 : x
  2. Step 2: Convert to fraction form
    18,209/39,536 = 39,536/x
  3. Step 3: Cross multiply
    18,209x = 39,536 × 39,536
  4. Step 4: Simplify right side
    18,209x = 1,563,095,296
  5. Step 5: Solve for x
    x = 1,563,095,296/18,209
  6. Step 6: Final answer
    x = 85,841.91

Related Problems

Find third proportional to 9,104.50 and 19,768
Half scale
Find third proportional to 36,418 and 79,072
Double scale
Find third proportional to 18,211 and 39,540
Similar ratio
Find third proportional to 27,313.50 and 59,304
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.