Home / 312,082-672,374

Finding the Third Proportional to 312,082 and 672,374

Calculator

Solution

The third proportional to 312,082 and 672,374 is: 1,448,615.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,082 : 672,374 = 672,374 : x
  2. Step 2: Convert to fraction form
    312,082/672,374 = 672,374/x
  3. Step 3: Cross multiply
    312,082x = 672,374 × 672,374
  4. Step 4: Simplify right side
    312,082x = 452,086,795,876
  5. Step 5: Solve for x
    x = 452,086,795,876/312,082
  6. Step 6: Final answer
    x = 1,448,615.41

Related Problems

Find third proportional to 156,041 and 336,187
Half scale
Find third proportional to 624,164 and 1,344,748
Double scale
Find third proportional to 312,084 and 672,378
Similar ratio
Find third proportional to 468,123 and 1,008,561
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.