Home / 6,639-14,370

Finding the Third Proportional to 6,639 and 14,370

Calculator

Solution

The third proportional to 6,639 and 14,370 is: 31,103.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639 : 14,370 = 14,370 : x
  2. Step 2: Convert to fraction form
    6,639/14,370 = 14,370/x
  3. Step 3: Cross multiply
    6,639x = 14,370 × 14,370
  4. Step 4: Simplify right side
    6,639x = 206,496,900
  5. Step 5: Solve for x
    x = 206,496,900/6,639
  6. Step 6: Final answer
    x = 31,103.62

Related Problems

Find third proportional to 3,319.50 and 7,185
Half scale
Find third proportional to 13,278 and 28,740
Double scale
Find third proportional to 6,641 and 14,374
Similar ratio
Find third proportional to 9,958.50 and 21,555
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.