Home / 268,366-424,420

Finding the Third Proportional to 268,366 and 424,420

Calculator

Solution

The third proportional to 268,366 and 424,420 is: 671,218.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,366 : 424,420 = 424,420 : x
  2. Step 2: Convert to fraction form
    268,366/424,420 = 424,420/x
  3. Step 3: Cross multiply
    268,366x = 424,420 × 424,420
  4. Step 4: Simplify right side
    268,366x = 180,132,336,400
  5. Step 5: Solve for x
    x = 180,132,336,400/268,366
  6. Step 6: Final answer
    x = 671,218.92

Related Problems

Find third proportional to 134,183 and 212,210
Half scale
Find third proportional to 536,732 and 848,840
Double scale
Find third proportional to 268,368 and 424,423
Similar ratio
Find third proportional to 402,549 and 636,630
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.