Home / 251,542-380,555

Finding the Third Proportional to 251,542 and 380,555

Calculator

Solution

The third proportional to 251,542 and 380,555 is: 575,737.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,542 : 380,555 = 380,555 : x
  2. Step 2: Convert to fraction form
    251,542/380,555 = 380,555/x
  3. Step 3: Cross multiply
    251,542x = 380,555 × 380,555
  4. Step 4: Simplify right side
    251,542x = 144,822,108,025
  5. Step 5: Solve for x
    x = 144,822,108,025/251,542
  6. Step 6: Final answer
    x = 575,737.28

Related Problems

Find third proportional to 125,771 and 190,277.50
Half scale
Find third proportional to 503,084 and 761,110
Double scale
Find third proportional to 251,544 and 380,558
Similar ratio
Find third proportional to 377,313 and 570,832.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.