Home / 117,340-257,198

Finding the Third Proportional to 117,340 and 257,198

Calculator

Solution

The third proportional to 117,340 and 257,198 is: 563,753.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,340 : 257,198 = 257,198 : x
  2. Step 2: Convert to fraction form
    117,340/257,198 = 257,198/x
  3. Step 3: Cross multiply
    117,340x = 257,198 × 257,198
  4. Step 4: Simplify right side
    117,340x = 66,150,811,204
  5. Step 5: Solve for x
    x = 66,150,811,204/117,340
  6. Step 6: Final answer
    x = 563,753.29

Related Problems

Find third proportional to 58,670 and 128,599
Half scale
Find third proportional to 234,680 and 514,396
Double scale
Find third proportional to 117,342 and 257,202
Similar ratio
Find third proportional to 176,010 and 385,797
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.