Home / 8,580-16,242

Finding the Third Proportional to 8,580 and 16,242

Calculator

Solution

The third proportional to 8,580 and 16,242 is: 30,746.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580 : 16,242 = 16,242 : x
  2. Step 2: Convert to fraction form
    8,580/16,242 = 16,242/x
  3. Step 3: Cross multiply
    8,580x = 16,242 × 16,242
  4. Step 4: Simplify right side
    8,580x = 263,802,564
  5. Step 5: Solve for x
    x = 263,802,564/8,580
  6. Step 6: Final answer
    x = 30,746.22

Related Problems

Find third proportional to 4,290 and 8,121
Half scale
Find third proportional to 17,160 and 32,484
Double scale
Find third proportional to 8,582 and 16,246
Similar ratio
Find third proportional to 12,870 and 24,363
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.89) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.