Home / 131,408-283,409

Finding the Third Proportional to 131,408 and 283,409

Calculator

Solution

The third proportional to 131,408 and 283,409 is: 611,231.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,408 : 283,409 = 283,409 : x
  2. Step 2: Convert to fraction form
    131,408/283,409 = 283,409/x
  3. Step 3: Cross multiply
    131,408x = 283,409 × 283,409
  4. Step 4: Simplify right side
    131,408x = 80,320,661,281
  5. Step 5: Solve for x
    x = 80,320,661,281/131,408
  6. Step 6: Final answer
    x = 611,231.14

Related Problems

Find third proportional to 65,704 and 141,704.50
Half scale
Find third proportional to 262,816 and 566,818
Double scale
Find third proportional to 131,410 and 283,413
Similar ratio
Find third proportional to 197,112 and 425,113.50
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.