Home / 13,260-21,106

Finding the Third Proportional to 13,260 and 21,106

Calculator

Solution

The third proportional to 13,260 and 21,106 is: 33,594.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260 : 21,106 = 21,106 : x
  2. Step 2: Convert to fraction form
    13,260/21,106 = 21,106/x
  3. Step 3: Cross multiply
    13,260x = 21,106 × 21,106
  4. Step 4: Simplify right side
    13,260x = 445,463,236
  5. Step 5: Solve for x
    x = 445,463,236/13,260
  6. Step 6: Final answer
    x = 33,594.51

Related Problems

Find third proportional to 6,630 and 10,553
Half scale
Find third proportional to 26,520 and 42,212
Double scale
Find third proportional to 13,262 and 21,109
Similar ratio
Find third proportional to 19,890 and 31,659
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.