Home / 5,516-8,580

Finding the Third Proportional to 5,516 and 8,580

Calculator

Solution

The third proportional to 5,516 and 8,580 is: 13,345.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516 : 8,580 = 8,580 : x
  2. Step 2: Convert to fraction form
    5,516/8,580 = 8,580/x
  3. Step 3: Cross multiply
    5,516x = 8,580 × 8,580
  4. Step 4: Simplify right side
    5,516x = 73,616,400
  5. Step 5: Solve for x
    x = 73,616,400/5,516
  6. Step 6: Final answer
    x = 13,345.98

Related Problems

Find third proportional to 2,758 and 4,290
Half scale
Find third proportional to 11,032 and 17,160
Double scale
Find third proportional to 5,518 and 8,583
Similar ratio
Find third proportional to 8,274 and 12,870
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.