Home / 8,898-13,315

Finding the Third Proportional to 8,898 and 13,315

Calculator

Solution

The third proportional to 8,898 and 13,315 is: 19,924.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898 : 13,315 = 13,315 : x
  2. Step 2: Convert to fraction form
    8,898/13,315 = 13,315/x
  3. Step 3: Cross multiply
    8,898x = 13,315 × 13,315
  4. Step 4: Simplify right side
    8,898x = 177,289,225
  5. Step 5: Solve for x
    x = 177,289,225/8,898
  6. Step 6: Final answer
    x = 19,924.62

Related Problems

Find third proportional to 4,449 and 6,657.50
Half scale
Find third proportional to 17,796 and 26,630
Double scale
Find third proportional to 8,900 and 13,318
Similar ratio
Find third proportional to 13,347 and 19,972.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.