Home / 18,502-28,712

Finding the Third Proportional to 18,502 and 28,712

Calculator

Solution

The third proportional to 18,502 and 28,712 is: 44,556.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,502 : 28,712 = 28,712 : x
  2. Step 2: Convert to fraction form
    18,502/28,712 = 28,712/x
  3. Step 3: Cross multiply
    18,502x = 28,712 × 28,712
  4. Step 4: Simplify right side
    18,502x = 824,378,944
  5. Step 5: Solve for x
    x = 824,378,944/18,502
  6. Step 6: Final answer
    x = 44,556.21

Related Problems

Find third proportional to 9,251 and 14,356
Half scale
Find third proportional to 37,004 and 57,424
Double scale
Find third proportional to 18,504 and 28,715
Similar ratio
Find third proportional to 27,753 and 43,068
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.