Home / 9,856-20,542

Finding the Third Proportional to 9,856 and 20,542

Calculator

Solution

The third proportional to 9,856 and 20,542 is: 42,813.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,856 : 20,542 = 20,542 : x
  2. Step 2: Convert to fraction form
    9,856/20,542 = 20,542/x
  3. Step 3: Cross multiply
    9,856x = 20,542 × 20,542
  4. Step 4: Simplify right side
    9,856x = 421,973,764
  5. Step 5: Solve for x
    x = 421,973,764/9,856
  6. Step 6: Final answer
    x = 42,813.90

Related Problems

Find third proportional to 4,928 and 10,271
Half scale
Find third proportional to 19,712 and 41,084
Double scale
Find third proportional to 9,858 and 20,546
Similar ratio
Find third proportional to 14,784 and 30,813
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.