Home / 20,130-28,634

Finding the Third Proportional to 20,130 and 28,634

Calculator

Solution

The third proportional to 20,130 and 28,634 is: 40,730.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,130 : 28,634 = 28,634 : x
  2. Step 2: Convert to fraction form
    20,130/28,634 = 28,634/x
  3. Step 3: Cross multiply
    20,130x = 28,634 × 28,634
  4. Step 4: Simplify right side
    20,130x = 819,905,956
  5. Step 5: Solve for x
    x = 819,905,956/20,130
  6. Step 6: Final answer
    x = 40,730.55

Related Problems

Find third proportional to 10,065 and 14,317
Half scale
Find third proportional to 40,260 and 57,268
Double scale
Find third proportional to 20,132 and 28,637
Similar ratio
Find third proportional to 30,195 and 42,951
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.