Home / 8,764-18,642

Finding the Third Proportional to 8,764 and 18,642

Calculator

Solution

The third proportional to 8,764 and 18,642 is: 39,653.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764 : 18,642 = 18,642 : x
  2. Step 2: Convert to fraction form
    8,764/18,642 = 18,642/x
  3. Step 3: Cross multiply
    8,764x = 18,642 × 18,642
  4. Step 4: Simplify right side
    8,764x = 347,524,164
  5. Step 5: Solve for x
    x = 347,524,164/8,764
  6. Step 6: Final answer
    x = 39,653.60

Related Problems

Find third proportional to 4,382 and 9,321
Half scale
Find third proportional to 17,528 and 37,284
Double scale
Find third proportional to 8,766 and 18,646
Similar ratio
Find third proportional to 13,146 and 27,963
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.