Home / 18,718-28,770

Finding the Third Proportional to 18,718 and 28,770

Calculator

Solution

The third proportional to 18,718 and 28,770 is: 44,220.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,718 : 28,770 = 28,770 : x
  2. Step 2: Convert to fraction form
    18,718/28,770 = 28,770/x
  3. Step 3: Cross multiply
    18,718x = 28,770 × 28,770
  4. Step 4: Simplify right side
    18,718x = 827,712,900
  5. Step 5: Solve for x
    x = 827,712,900/18,718
  6. Step 6: Final answer
    x = 44,220.16

Related Problems

Find third proportional to 9,359 and 14,385
Half scale
Find third proportional to 37,436 and 57,540
Double scale
Find third proportional to 18,720 and 28,773
Similar ratio
Find third proportional to 28,077 and 43,155
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.