Home / 8,698-18,854

Finding the Third Proportional to 8,698 and 18,854

Calculator

Solution

The third proportional to 8,698 and 18,854 is: 40,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698 : 18,854 = 18,854 : x
  2. Step 2: Convert to fraction form
    8,698/18,854 = 18,854/x
  3. Step 3: Cross multiply
    8,698x = 18,854 × 18,854
  4. Step 4: Simplify right side
    8,698x = 355,473,316
  5. Step 5: Solve for x
    x = 355,473,316/8,698
  6. Step 6: Final answer
    x = 40,868.40

Related Problems

Find third proportional to 4,349 and 9,427
Half scale
Find third proportional to 17,396 and 37,708
Double scale
Find third proportional to 8,700 and 18,858
Similar ratio
Find third proportional to 13,047 and 28,281
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.