Home / 12,430-17,379

Finding the Third Proportional to 12,430 and 17,379

Calculator

Solution

The third proportional to 12,430 and 17,379 is: 24,298.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,430 : 17,379 = 17,379 : x
  2. Step 2: Convert to fraction form
    12,430/17,379 = 17,379/x
  3. Step 3: Cross multiply
    12,430x = 17,379 × 17,379
  4. Step 4: Simplify right side
    12,430x = 302,029,641
  5. Step 5: Solve for x
    x = 302,029,641/12,430
  6. Step 6: Final answer
    x = 24,298.44

Related Problems

Find third proportional to 6,215 and 8,689.50
Half scale
Find third proportional to 24,860 and 34,758
Double scale
Find third proportional to 12,432 and 17,382
Similar ratio
Find third proportional to 18,645 and 26,068.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.