Home / 13,050-21,009

Finding the Third Proportional to 13,050 and 21,009

Calculator

Solution

The third proportional to 13,050 and 21,009 is: 33,822.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,050 : 21,009 = 21,009 : x
  2. Step 2: Convert to fraction form
    13,050/21,009 = 21,009/x
  3. Step 3: Cross multiply
    13,050x = 21,009 × 21,009
  4. Step 4: Simplify right side
    13,050x = 441,378,081
  5. Step 5: Solve for x
    x = 441,378,081/13,050
  6. Step 6: Final answer
    x = 33,822.08

Related Problems

Find third proportional to 6,525 and 10,504.50
Half scale
Find third proportional to 26,100 and 42,018
Double scale
Find third proportional to 13,052 and 21,012
Similar ratio
Find third proportional to 19,575 and 31,513.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.