Home / 21,572-44,189

Finding the Third Proportional to 21,572 and 44,189

Calculator

Solution

The third proportional to 21,572 and 44,189 is: 90,518.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,572 : 44,189 = 44,189 : x
  2. Step 2: Convert to fraction form
    21,572/44,189 = 44,189/x
  3. Step 3: Cross multiply
    21,572x = 44,189 × 44,189
  4. Step 4: Simplify right side
    21,572x = 1,952,667,721
  5. Step 5: Solve for x
    x = 1,952,667,721/21,572
  6. Step 6: Final answer
    x = 90,518.62

Related Problems

Find third proportional to 10,786 and 22,094.50
Half scale
Find third proportional to 43,144 and 88,378
Double scale
Find third proportional to 21,574 and 44,193
Similar ratio
Find third proportional to 32,358 and 66,283.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.