Home / 14,890-20,510

Finding the Third Proportional to 14,890 and 20,510

Calculator

Solution

The third proportional to 14,890 and 20,510 is: 28,251.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,890 : 20,510 = 20,510 : x
  2. Step 2: Convert to fraction form
    14,890/20,510 = 20,510/x
  3. Step 3: Cross multiply
    14,890x = 20,510 × 20,510
  4. Step 4: Simplify right side
    14,890x = 420,660,100
  5. Step 5: Solve for x
    x = 420,660,100/14,890
  6. Step 6: Final answer
    x = 28,251.18

Related Problems

Find third proportional to 7,445 and 10,255
Half scale
Find third proportional to 29,780 and 41,020
Double scale
Find third proportional to 14,892 and 20,513
Similar ratio
Find third proportional to 22,335 and 30,765
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.