Home / 21,621.75-27,627.75

Finding the Third Proportional to 21,621.75 and 27,627.75

Calculator

Solution

The third proportional to 21,621.75 and 27,627.75 is: 35,302.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,621.75 : 27,627.75 = 27,627.75 : x
  2. Step 2: Convert to fraction form
    21,621.75/27,627.75 = 27,627.75/x
  3. Step 3: Cross multiply
    21,621.75x = 27,627.75 × 27,627.75
  4. Step 4: Simplify right side
    21,621.75x = 763,292,570.06
  5. Step 5: Solve for x
    x = 763,292,570.06/21,621.75
  6. Step 6: Final answer
    x = 35,302.07

Related Problems

Find third proportional to 10,810.88 and 13,813.88
Half scale
Find third proportional to 43,243.50 and 55,255.50
Double scale
Find third proportional to 21,624 and 27,630
Similar ratio
Find third proportional to 32,432.63 and 41,441.63
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.