Home / 257,066-557,036

Finding the Third Proportional to 257,066 and 557,036

Calculator

Solution

The third proportional to 257,066 and 557,036 is: 1,207,040.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,066 : 557,036 = 557,036 : x
  2. Step 2: Convert to fraction form
    257,066/557,036 = 557,036/x
  3. Step 3: Cross multiply
    257,066x = 557,036 × 557,036
  4. Step 4: Simplify right side
    257,066x = 310,289,105,296
  5. Step 5: Solve for x
    x = 310,289,105,296/257,066
  6. Step 6: Final answer
    x = 1,207,040.62

Related Problems

Find third proportional to 128,533 and 278,518
Half scale
Find third proportional to 514,132 and 1,114,072
Double scale
Find third proportional to 257,068 and 557,040
Similar ratio
Find third proportional to 385,599 and 835,554
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.