Home / 118,350-257,436

Finding the Third Proportional to 118,350 and 257,436

Calculator

Solution

The third proportional to 118,350 and 257,436 is: 559,977.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,350 : 257,436 = 257,436 : x
  2. Step 2: Convert to fraction form
    118,350/257,436 = 257,436/x
  3. Step 3: Cross multiply
    118,350x = 257,436 × 257,436
  4. Step 4: Simplify right side
    118,350x = 66,273,294,096
  5. Step 5: Solve for x
    x = 66,273,294,096/118,350
  6. Step 6: Final answer
    x = 559,977.14

Related Problems

Find third proportional to 59,175 and 128,718
Half scale
Find third proportional to 236,700 and 514,872
Double scale
Find third proportional to 118,352 and 257,440
Similar ratio
Find third proportional to 177,525 and 386,154
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.