Home / 20,072-28,528

Finding the Third Proportional to 20,072 and 28,528

Calculator

Solution

The third proportional to 20,072 and 28,528 is: 40,546.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,072 : 28,528 = 28,528 : x
  2. Step 2: Convert to fraction form
    20,072/28,528 = 28,528/x
  3. Step 3: Cross multiply
    20,072x = 28,528 × 28,528
  4. Step 4: Simplify right side
    20,072x = 813,846,784
  5. Step 5: Solve for x
    x = 813,846,784/20,072
  6. Step 6: Final answer
    x = 40,546.37

Related Problems

Find third proportional to 10,036 and 14,264
Half scale
Find third proportional to 40,144 and 57,056
Double scale
Find third proportional to 20,074 and 28,531
Similar ratio
Find third proportional to 30,108 and 42,792
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.