Home / 275,236-425,381

Finding the Third Proportional to 275,236 and 425,381

Calculator

Solution

The third proportional to 275,236 and 425,381 is: 657,432.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,236 : 425,381 = 425,381 : x
  2. Step 2: Convert to fraction form
    275,236/425,381 = 425,381/x
  3. Step 3: Cross multiply
    275,236x = 425,381 × 425,381
  4. Step 4: Simplify right side
    275,236x = 180,948,995,161
  5. Step 5: Solve for x
    x = 180,948,995,161/275,236
  6. Step 6: Final answer
    x = 657,432.15

Related Problems

Find third proportional to 137,618 and 212,690.50
Half scale
Find third proportional to 550,472 and 850,762
Double scale
Find third proportional to 275,238 and 425,384
Similar ratio
Find third proportional to 412,854 and 638,071.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.