Home / 18,608-28,112

Finding the Third Proportional to 18,608 and 28,112

Calculator

Solution

The third proportional to 18,608 and 28,112 is: 42,470.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,608 : 28,112 = 28,112 : x
  2. Step 2: Convert to fraction form
    18,608/28,112 = 28,112/x
  3. Step 3: Cross multiply
    18,608x = 28,112 × 28,112
  4. Step 4: Simplify right side
    18,608x = 790,284,544
  5. Step 5: Solve for x
    x = 790,284,544/18,608
  6. Step 6: Final answer
    x = 42,470.15

Related Problems

Find third proportional to 9,304 and 14,056
Half scale
Find third proportional to 37,216 and 56,224
Double scale
Find third proportional to 18,610 and 28,115
Similar ratio
Find third proportional to 27,912 and 42,168
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.