Home / 298,971-449,712

Finding the Third Proportional to 298,971 and 449,712

Calculator

Solution

The third proportional to 298,971 and 449,712 is: 676,456.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,971 : 449,712 = 449,712 : x
  2. Step 2: Convert to fraction form
    298,971/449,712 = 449,712/x
  3. Step 3: Cross multiply
    298,971x = 449,712 × 449,712
  4. Step 4: Simplify right side
    298,971x = 202,240,882,944
  5. Step 5: Solve for x
    x = 202,240,882,944/298,971
  6. Step 6: Final answer
    x = 676,456.52

Related Problems

Find third proportional to 149,485.50 and 224,856
Half scale
Find third proportional to 597,942 and 899,424
Double scale
Find third proportional to 298,973 and 449,715
Similar ratio
Find third proportional to 448,456.50 and 674,568
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.