Home / 317,224-455,960

Finding the Third Proportional to 317,224 and 455,960

Calculator

Solution

The third proportional to 317,224 and 455,960 is: 655,371.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,224 : 455,960 = 455,960 : x
  2. Step 2: Convert to fraction form
    317,224/455,960 = 455,960/x
  3. Step 3: Cross multiply
    317,224x = 455,960 × 455,960
  4. Step 4: Simplify right side
    317,224x = 207,899,521,600
  5. Step 5: Solve for x
    x = 207,899,521,600/317,224
  6. Step 6: Final answer
    x = 655,371.35

Related Problems

Find third proportional to 158,612 and 227,980
Half scale
Find third proportional to 634,448 and 911,920
Double scale
Find third proportional to 317,226 and 455,963
Similar ratio
Find third proportional to 475,836 and 683,940
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.