Home / 20,630-45,124

Finding the Third Proportional to 20,630 and 45,124

Calculator

Solution

The third proportional to 20,630 and 45,124 is: 98,699.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,630 : 45,124 = 45,124 : x
  2. Step 2: Convert to fraction form
    20,630/45,124 = 45,124/x
  3. Step 3: Cross multiply
    20,630x = 45,124 × 45,124
  4. Step 4: Simplify right side
    20,630x = 2,036,175,376
  5. Step 5: Solve for x
    x = 2,036,175,376/20,630
  6. Step 6: Final answer
    x = 98,699.73

Related Problems

Find third proportional to 10,315 and 22,562
Half scale
Find third proportional to 41,260 and 90,248
Double scale
Find third proportional to 20,632 and 45,128
Similar ratio
Find third proportional to 30,945 and 67,686
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.