Home / 13,230-20,528

Finding the Third Proportional to 13,230 and 20,528

Calculator

Solution

The third proportional to 13,230 and 20,528 is: 31,851.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230 : 20,528 = 20,528 : x
  2. Step 2: Convert to fraction form
    13,230/20,528 = 20,528/x
  3. Step 3: Cross multiply
    13,230x = 20,528 × 20,528
  4. Step 4: Simplify right side
    13,230x = 421,398,784
  5. Step 5: Solve for x
    x = 421,398,784/13,230
  6. Step 6: Final answer
    x = 31,851.76

Related Problems

Find third proportional to 6,615 and 10,264
Half scale
Find third proportional to 26,460 and 41,056
Double scale
Find third proportional to 13,232 and 20,531
Similar ratio
Find third proportional to 19,845 and 30,792
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.