Home / 12,490-27,491

Finding the Third Proportional to 12,490 and 27,491

Calculator

Solution

The third proportional to 12,490 and 27,491 is: 60,508.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,490 : 27,491 = 27,491 : x
  2. Step 2: Convert to fraction form
    12,490/27,491 = 27,491/x
  3. Step 3: Cross multiply
    12,490x = 27,491 × 27,491
  4. Step 4: Simplify right side
    12,490x = 755,755,081
  5. Step 5: Solve for x
    x = 755,755,081/12,490
  6. Step 6: Final answer
    x = 60,508.81

Related Problems

Find third proportional to 6,245 and 13,745.50
Half scale
Find third proportional to 24,980 and 54,982
Double scale
Find third proportional to 12,492 and 27,495
Similar ratio
Find third proportional to 18,735 and 41,236.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.