Home / 8,940-20,676

Finding the Third Proportional to 8,940 and 20,676

Calculator

Solution

The third proportional to 8,940 and 20,676 is: 47,818.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940 : 20,676 = 20,676 : x
  2. Step 2: Convert to fraction form
    8,940/20,676 = 20,676/x
  3. Step 3: Cross multiply
    8,940x = 20,676 × 20,676
  4. Step 4: Simplify right side
    8,940x = 427,496,976
  5. Step 5: Solve for x
    x = 427,496,976/8,940
  6. Step 6: Final answer
    x = 47,818.45

Related Problems

Find third proportional to 4,470 and 10,338
Half scale
Find third proportional to 17,880 and 41,352
Double scale
Find third proportional to 8,942 and 20,681
Similar ratio
Find third proportional to 13,410 and 31,014
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.