Home / 4,318-9,919

Finding the Third Proportional to 4,318 and 9,919

Calculator

Solution

The third proportional to 4,318 and 9,919 is: 22,785.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318 : 9,919 = 9,919 : x
  2. Step 2: Convert to fraction form
    4,318/9,919 = 9,919/x
  3. Step 3: Cross multiply
    4,318x = 9,919 × 9,919
  4. Step 4: Simplify right side
    4,318x = 98,386,561
  5. Step 5: Solve for x
    x = 98,386,561/4,318
  6. Step 6: Final answer
    x = 22,785.22

Related Problems

Find third proportional to 2,159 and 4,959.50
Half scale
Find third proportional to 8,636 and 19,838
Double scale
Find third proportional to 4,320 and 9,924
Similar ratio
Find third proportional to 6,477 and 14,878.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.