Home / 131,248-285,472

Finding the Third Proportional to 131,248 and 285,472

Calculator

Solution

The third proportional to 131,248 and 285,472 is: 620,918.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,248 : 285,472 = 285,472 : x
  2. Step 2: Convert to fraction form
    131,248/285,472 = 285,472/x
  3. Step 3: Cross multiply
    131,248x = 285,472 × 285,472
  4. Step 4: Simplify right side
    131,248x = 81,494,262,784
  5. Step 5: Solve for x
    x = 81,494,262,784/131,248
  6. Step 6: Final answer
    x = 620,918.13

Related Problems

Find third proportional to 65,624 and 142,736
Half scale
Find third proportional to 262,496 and 570,944
Double scale
Find third proportional to 131,250 and 285,476
Similar ratio
Find third proportional to 196,872 and 428,208
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.