Home / 17,040-18,336

Finding the Third Proportional to 17,040 and 18,336

Calculator

Solution

The third proportional to 17,040 and 18,336 is: 19,730.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,040 : 18,336 = 18,336 : x
  2. Step 2: Convert to fraction form
    17,040/18,336 = 18,336/x
  3. Step 3: Cross multiply
    17,040x = 18,336 × 18,336
  4. Step 4: Simplify right side
    17,040x = 336,208,896
  5. Step 5: Solve for x
    x = 336,208,896/17,040
  6. Step 6: Final answer
    x = 19,730.57

Related Problems

Find third proportional to 8,520 and 9,168
Half scale
Find third proportional to 34,080 and 36,672
Double scale
Find third proportional to 17,042 and 18,338
Similar ratio
Find third proportional to 25,560 and 27,504
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.