Home / 288,956-383,414

Finding the Third Proportional to 288,956 and 383,414

Calculator

Solution

The third proportional to 288,956 and 383,414 is: 508,749.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,956 : 383,414 = 383,414 : x
  2. Step 2: Convert to fraction form
    288,956/383,414 = 383,414/x
  3. Step 3: Cross multiply
    288,956x = 383,414 × 383,414
  4. Step 4: Simplify right side
    288,956x = 147,006,295,396
  5. Step 5: Solve for x
    x = 147,006,295,396/288,956
  6. Step 6: Final answer
    x = 508,749.76

Related Problems

Find third proportional to 144,478 and 191,707
Half scale
Find third proportional to 577,912 and 766,828
Double scale
Find third proportional to 288,958 and 383,417
Similar ratio
Find third proportional to 433,434 and 575,121
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.