Home / 242,420-518,536

Finding the Third Proportional to 242,420 and 518,536

Calculator

Solution

The third proportional to 242,420 and 518,536 is: 1,109,147.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,420 : 518,536 = 518,536 : x
  2. Step 2: Convert to fraction form
    242,420/518,536 = 518,536/x
  3. Step 3: Cross multiply
    242,420x = 518,536 × 518,536
  4. Step 4: Simplify right side
    242,420x = 268,879,583,296
  5. Step 5: Solve for x
    x = 268,879,583,296/242,420
  6. Step 6: Final answer
    x = 1,109,147.69

Related Problems

Find third proportional to 121,210 and 259,268
Half scale
Find third proportional to 484,840 and 1,037,072
Double scale
Find third proportional to 242,422 and 518,540
Similar ratio
Find third proportional to 363,630 and 777,804
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.