Home / 21,610-27,611

Finding the Third Proportional to 21,610 and 27,611

Calculator

Solution

The third proportional to 21,610 and 27,611 is: 35,278.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,610 : 27,611 = 27,611 : x
  2. Step 2: Convert to fraction form
    21,610/27,611 = 27,611/x
  3. Step 3: Cross multiply
    21,610x = 27,611 × 27,611
  4. Step 4: Simplify right side
    21,610x = 762,367,321
  5. Step 5: Solve for x
    x = 762,367,321/21,610
  6. Step 6: Final answer
    x = 35,278.45

Related Problems

Find third proportional to 10,805 and 13,805.50
Half scale
Find third proportional to 43,220 and 55,222
Double scale
Find third proportional to 21,612 and 27,614
Similar ratio
Find third proportional to 32,415 and 41,416.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.