Home / 268,940-416,415

Finding the Third Proportional to 268,940 and 416,415

Calculator

Solution

The third proportional to 268,940 and 416,415 is: 644,758.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,940 : 416,415 = 416,415 : x
  2. Step 2: Convert to fraction form
    268,940/416,415 = 416,415/x
  3. Step 3: Cross multiply
    268,940x = 416,415 × 416,415
  4. Step 4: Simplify right side
    268,940x = 173,401,452,225
  5. Step 5: Solve for x
    x = 173,401,452,225/268,940
  6. Step 6: Final answer
    x = 644,758.88

Related Problems

Find third proportional to 134,470 and 208,207.50
Half scale
Find third proportional to 537,880 and 832,830
Double scale
Find third proportional to 268,942 and 416,418
Similar ratio
Find third proportional to 403,410 and 624,622.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.