Home / 281,646-424,864

Finding the Third Proportional to 281,646 and 424,864

Calculator

Solution

The third proportional to 281,646 and 424,864 is: 640,908.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,646 : 424,864 = 424,864 : x
  2. Step 2: Convert to fraction form
    281,646/424,864 = 424,864/x
  3. Step 3: Cross multiply
    281,646x = 424,864 × 424,864
  4. Step 4: Simplify right side
    281,646x = 180,509,418,496
  5. Step 5: Solve for x
    x = 180,509,418,496/281,646
  6. Step 6: Final answer
    x = 640,908.87

Related Problems

Find third proportional to 140,823 and 212,432
Half scale
Find third proportional to 563,292 and 849,728
Double scale
Find third proportional to 281,648 and 424,867
Similar ratio
Find third proportional to 422,469 and 637,296
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.