Home / 21,770-29,247

Finding the Third Proportional to 21,770 and 29,247

Calculator

Solution

The third proportional to 21,770 and 29,247 is: 39,292.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,770 : 29,247 = 29,247 : x
  2. Step 2: Convert to fraction form
    21,770/29,247 = 29,247/x
  3. Step 3: Cross multiply
    21,770x = 29,247 × 29,247
  4. Step 4: Simplify right side
    21,770x = 855,387,009
  5. Step 5: Solve for x
    x = 855,387,009/21,770
  6. Step 6: Final answer
    x = 39,292.01

Related Problems

Find third proportional to 10,885 and 14,623.50
Half scale
Find third proportional to 43,540 and 58,494
Double scale
Find third proportional to 21,772 and 29,250
Similar ratio
Find third proportional to 32,655 and 43,870.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.