Home / 316,876-494,754

Finding the Third Proportional to 316,876 and 494,754

Calculator

Solution

The third proportional to 316,876 and 494,754 is: 772,483.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,876 : 494,754 = 494,754 : x
  2. Step 2: Convert to fraction form
    316,876/494,754 = 494,754/x
  3. Step 3: Cross multiply
    316,876x = 494,754 × 494,754
  4. Step 4: Simplify right side
    316,876x = 244,781,520,516
  5. Step 5: Solve for x
    x = 244,781,520,516/316,876
  6. Step 6: Final answer
    x = 772,483.62

Related Problems

Find third proportional to 158,438 and 247,377
Half scale
Find third proportional to 633,752 and 989,508
Double scale
Find third proportional to 316,878 and 494,757
Similar ratio
Find third proportional to 475,314 and 742,131
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.