Home / 6,478-13,991

Finding the Third Proportional to 6,478 and 13,991

Calculator

Solution

The third proportional to 6,478 and 13,991 is: 30,217.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,478 : 13,991 = 13,991 : x
  2. Step 2: Convert to fraction form
    6,478/13,991 = 13,991/x
  3. Step 3: Cross multiply
    6,478x = 13,991 × 13,991
  4. Step 4: Simplify right side
    6,478x = 195,748,081
  5. Step 5: Solve for x
    x = 195,748,081/6,478
  6. Step 6: Final answer
    x = 30,217.36

Related Problems

Find third proportional to 3,239 and 6,995.50
Half scale
Find third proportional to 12,956 and 27,982
Double scale
Find third proportional to 6,480 and 13,995
Similar ratio
Find third proportional to 9,717 and 20,986.50
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.