Home / 8,653-18,693

Finding the Third Proportional to 8,653 and 18,693

Calculator

Solution

The third proportional to 8,653 and 18,693 is: 40,382.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,653 : 18,693 = 18,693 : x
  2. Step 2: Convert to fraction form
    8,653/18,693 = 18,693/x
  3. Step 3: Cross multiply
    8,653x = 18,693 × 18,693
  4. Step 4: Simplify right side
    8,653x = 349,428,249
  5. Step 5: Solve for x
    x = 349,428,249/8,653
  6. Step 6: Final answer
    x = 40,382.32

Related Problems

Find third proportional to 4,326.50 and 9,346.50
Half scale
Find third proportional to 17,306 and 37,386
Double scale
Find third proportional to 8,655 and 18,697
Similar ratio
Find third proportional to 12,979.50 and 28,039.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.