Home / 13,410-17,370

Finding the Third Proportional to 13,410 and 17,370

Calculator

Solution

The third proportional to 13,410 and 17,370 is: 22,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,410 : 17,370 = 17,370 : x
  2. Step 2: Convert to fraction form
    13,410/17,370 = 17,370/x
  3. Step 3: Cross multiply
    13,410x = 17,370 × 17,370
  4. Step 4: Simplify right side
    13,410x = 301,716,900
  5. Step 5: Solve for x
    x = 301,716,900/13,410
  6. Step 6: Final answer
    x = 22,499.40

Related Problems

Find third proportional to 6,705 and 8,685
Half scale
Find third proportional to 26,820 and 34,740
Double scale
Find third proportional to 13,412 and 17,373
Similar ratio
Find third proportional to 20,115 and 26,055
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.