Home / 253,970-557,782

Finding the Third Proportional to 253,970 and 557,782

Calculator

Solution

The third proportional to 253,970 and 557,782 is: 1,225,029.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,970 : 557,782 = 557,782 : x
  2. Step 2: Convert to fraction form
    253,970/557,782 = 557,782/x
  3. Step 3: Cross multiply
    253,970x = 557,782 × 557,782
  4. Step 4: Simplify right side
    253,970x = 311,120,759,524
  5. Step 5: Solve for x
    x = 311,120,759,524/253,970
  6. Step 6: Final answer
    x = 1,225,029.57

Related Problems

Find third proportional to 126,985 and 278,891
Half scale
Find third proportional to 507,940 and 1,115,564
Double scale
Find third proportional to 253,972 and 557,786
Similar ratio
Find third proportional to 380,955 and 836,673
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.