Home / 8,280-19,170

Finding the Third Proportional to 8,280 and 19,170

Calculator

Solution

The third proportional to 8,280 and 19,170 is: 44,382.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280 : 19,170 = 19,170 : x
  2. Step 2: Convert to fraction form
    8,280/19,170 = 19,170/x
  3. Step 3: Cross multiply
    8,280x = 19,170 × 19,170
  4. Step 4: Simplify right side
    8,280x = 367,488,900
  5. Step 5: Solve for x
    x = 367,488,900/8,280
  6. Step 6: Final answer
    x = 44,382.72

Related Problems

Find third proportional to 4,140 and 9,585
Half scale
Find third proportional to 16,560 and 38,340
Double scale
Find third proportional to 8,282 and 19,175
Similar ratio
Find third proportional to 12,420 and 28,755
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.