Home / 14,020-21,705

Finding the Third Proportional to 14,020 and 21,705

Calculator

Solution

The third proportional to 14,020 and 21,705 is: 33,602.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020 : 21,705 = 21,705 : x
  2. Step 2: Convert to fraction form
    14,020/21,705 = 21,705/x
  3. Step 3: Cross multiply
    14,020x = 21,705 × 21,705
  4. Step 4: Simplify right side
    14,020x = 471,107,025
  5. Step 5: Solve for x
    x = 471,107,025/14,020
  6. Step 6: Final answer
    x = 33,602.50

Related Problems

Find third proportional to 7,010 and 10,852.50
Half scale
Find third proportional to 28,040 and 43,410
Double scale
Find third proportional to 14,022 and 21,708
Similar ratio
Find third proportional to 21,030 and 32,557.50
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.