Home / 152,472-217,836

Finding the Third Proportional to 152,472 and 217,836

Calculator

Solution

The third proportional to 152,472 and 217,836 is: 311,221.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,472 : 217,836 = 217,836 : x
  2. Step 2: Convert to fraction form
    152,472/217,836 = 217,836/x
  3. Step 3: Cross multiply
    152,472x = 217,836 × 217,836
  4. Step 4: Simplify right side
    152,472x = 47,452,522,896
  5. Step 5: Solve for x
    x = 47,452,522,896/152,472
  6. Step 6: Final answer
    x = 311,221.23

Related Problems

Find third proportional to 76,236 and 108,918
Half scale
Find third proportional to 304,944 and 435,672
Double scale
Find third proportional to 152,474 and 217,839
Similar ratio
Find third proportional to 228,708 and 326,754
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.