Home / 18,768-40,992

Finding the Third Proportional to 18,768 and 40,992

Calculator

Solution

The third proportional to 18,768 and 40,992 is: 89,532.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,768 : 40,992 = 40,992 : x
  2. Step 2: Convert to fraction form
    18,768/40,992 = 40,992/x
  3. Step 3: Cross multiply
    18,768x = 40,992 × 40,992
  4. Step 4: Simplify right side
    18,768x = 1,680,344,064
  5. Step 5: Solve for x
    x = 1,680,344,064/18,768
  6. Step 6: Final answer
    x = 89,532.40

Related Problems

Find third proportional to 9,384 and 20,496
Half scale
Find third proportional to 37,536 and 81,984
Double scale
Find third proportional to 18,770 and 40,996
Similar ratio
Find third proportional to 28,152 and 61,488
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.