Home / 298,258-451,731

Finding the Third Proportional to 298,258 and 451,731

Calculator

Solution

The third proportional to 298,258 and 451,731 is: 684,175.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,258 : 451,731 = 451,731 : x
  2. Step 2: Convert to fraction form
    298,258/451,731 = 451,731/x
  3. Step 3: Cross multiply
    298,258x = 451,731 × 451,731
  4. Step 4: Simplify right side
    298,258x = 204,060,896,361
  5. Step 5: Solve for x
    x = 204,060,896,361/298,258
  6. Step 6: Final answer
    x = 684,175.77

Related Problems

Find third proportional to 149,129 and 225,865.50
Half scale
Find third proportional to 596,516 and 903,462
Double scale
Find third proportional to 298,260 and 451,734
Similar ratio
Find third proportional to 447,387 and 677,596.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.