Home / 131,491-279,364

Finding the Third Proportional to 131,491 and 279,364

Calculator

Solution

The third proportional to 131,491 and 279,364 is: 593,532.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,491 : 279,364 = 279,364 : x
  2. Step 2: Convert to fraction form
    131,491/279,364 = 279,364/x
  3. Step 3: Cross multiply
    131,491x = 279,364 × 279,364
  4. Step 4: Simplify right side
    131,491x = 78,044,244,496
  5. Step 5: Solve for x
    x = 78,044,244,496/131,491
  6. Step 6: Final answer
    x = 593,532.98

Related Problems

Find third proportional to 65,745.50 and 139,682
Half scale
Find third proportional to 262,982 and 558,728
Double scale
Find third proportional to 131,493 and 279,368
Similar ratio
Find third proportional to 197,236.50 and 419,046
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.