Home / 19,140-28,080

Finding the Third Proportional to 19,140 and 28,080

Calculator

Solution

The third proportional to 19,140 and 28,080 is: 41,195.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,140 : 28,080 = 28,080 : x
  2. Step 2: Convert to fraction form
    19,140/28,080 = 28,080/x
  3. Step 3: Cross multiply
    19,140x = 28,080 × 28,080
  4. Step 4: Simplify right side
    19,140x = 788,486,400
  5. Step 5: Solve for x
    x = 788,486,400/19,140
  6. Step 6: Final answer
    x = 41,195.74

Related Problems

Find third proportional to 9,570 and 14,040
Half scale
Find third proportional to 38,280 and 56,160
Double scale
Find third proportional to 19,142 and 28,083
Similar ratio
Find third proportional to 28,710 and 42,120
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.