Home / 28,556-40,590

Finding the Third Proportional to 28,556 and 40,590

Calculator

Solution

The third proportional to 28,556 and 40,590 is: 57,695.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,556 : 40,590 = 40,590 : x
  2. Step 2: Convert to fraction form
    28,556/40,590 = 40,590/x
  3. Step 3: Cross multiply
    28,556x = 40,590 × 40,590
  4. Step 4: Simplify right side
    28,556x = 1,647,548,100
  5. Step 5: Solve for x
    x = 1,647,548,100/28,556
  6. Step 6: Final answer
    x = 57,695.34

Related Problems

Find third proportional to 14,278 and 20,295
Half scale
Find third proportional to 57,112 and 81,180
Double scale
Find third proportional to 28,558 and 40,593
Similar ratio
Find third proportional to 42,834 and 60,885
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.