Home / 6,842-10,218

Finding the Third Proportional to 6,842 and 10,218

Calculator

Solution

The third proportional to 6,842 and 10,218 is: 15,259.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,842 : 10,218 = 10,218 : x
  2. Step 2: Convert to fraction form
    6,842/10,218 = 10,218/x
  3. Step 3: Cross multiply
    6,842x = 10,218 × 10,218
  4. Step 4: Simplify right side
    6,842x = 104,407,524
  5. Step 5: Solve for x
    x = 104,407,524/6,842
  6. Step 6: Final answer
    x = 15,259.80

Related Problems

Find third proportional to 3,421 and 5,109
Half scale
Find third proportional to 13,684 and 20,436
Double scale
Find third proportional to 6,844 and 10,221
Similar ratio
Find third proportional to 10,263 and 15,327
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.