Home / 5,478-8,582

Finding the Third Proportional to 5,478 and 8,582

Calculator

Solution

The third proportional to 5,478 and 8,582 is: 13,444.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478 : 8,582 = 8,582 : x
  2. Step 2: Convert to fraction form
    5,478/8,582 = 8,582/x
  3. Step 3: Cross multiply
    5,478x = 8,582 × 8,582
  4. Step 4: Simplify right side
    5,478x = 73,650,724
  5. Step 5: Solve for x
    x = 73,650,724/5,478
  6. Step 6: Final answer
    x = 13,444.82

Related Problems

Find third proportional to 2,739 and 4,291
Half scale
Find third proportional to 10,956 and 17,164
Double scale
Find third proportional to 5,480 and 8,585
Similar ratio
Find third proportional to 8,217 and 12,873
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.