Home / 13,155-14,478

Finding the Third Proportional to 13,155 and 14,478

Calculator

Solution

The third proportional to 13,155 and 14,478 is: 15,934.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,155 : 14,478 = 14,478 : x
  2. Step 2: Convert to fraction form
    13,155/14,478 = 14,478/x
  3. Step 3: Cross multiply
    13,155x = 14,478 × 14,478
  4. Step 4: Simplify right side
    13,155x = 209,612,484
  5. Step 5: Solve for x
    x = 209,612,484/13,155
  6. Step 6: Final answer
    x = 15,934.05

Related Problems

Find third proportional to 6,577.50 and 7,239
Half scale
Find third proportional to 26,310 and 28,956
Double scale
Find third proportional to 13,157 and 14,480
Similar ratio
Find third proportional to 19,732.50 and 21,717
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.