Home / 18,780-28,836

Finding the Third Proportional to 18,780 and 28,836

Calculator

Solution

The third proportional to 18,780 and 28,836 is: 44,276.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,780 : 28,836 = 28,836 : x
  2. Step 2: Convert to fraction form
    18,780/28,836 = 28,836/x
  3. Step 3: Cross multiply
    18,780x = 28,836 × 28,836
  4. Step 4: Simplify right side
    18,780x = 831,514,896
  5. Step 5: Solve for x
    x = 831,514,896/18,780
  6. Step 6: Final answer
    x = 44,276.62

Related Problems

Find third proportional to 9,390 and 14,418
Half scale
Find third proportional to 37,560 and 57,672
Double scale
Find third proportional to 18,782 and 28,839
Similar ratio
Find third proportional to 28,170 and 43,254
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.