Home / 118,216-257,168

Finding the Third Proportional to 118,216 and 257,168

Calculator

Solution

The third proportional to 118,216 and 257,168 is: 559,445.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,216 : 257,168 = 257,168 : x
  2. Step 2: Convert to fraction form
    118,216/257,168 = 257,168/x
  3. Step 3: Cross multiply
    118,216x = 257,168 × 257,168
  4. Step 4: Simplify right side
    118,216x = 66,135,380,224
  5. Step 5: Solve for x
    x = 66,135,380,224/118,216
  6. Step 6: Final answer
    x = 559,445.25

Related Problems

Find third proportional to 59,108 and 128,584
Half scale
Find third proportional to 236,432 and 514,336
Double scale
Find third proportional to 118,218 and 257,172
Similar ratio
Find third proportional to 177,324 and 385,752
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.