Home / 251,804-515,242

Finding the Third Proportional to 251,804 and 515,242

Calculator

Solution

The third proportional to 251,804 and 515,242 is: 1,054,289.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,804 : 515,242 = 515,242 : x
  2. Step 2: Convert to fraction form
    251,804/515,242 = 515,242/x
  3. Step 3: Cross multiply
    251,804x = 515,242 × 515,242
  4. Step 4: Simplify right side
    251,804x = 265,474,318,564
  5. Step 5: Solve for x
    x = 265,474,318,564/251,804
  6. Step 6: Final answer
    x = 1,054,289.52

Related Problems

Find third proportional to 125,902 and 257,621
Half scale
Find third proportional to 503,608 and 1,030,484
Double scale
Find third proportional to 251,806 and 515,246
Similar ratio
Find third proportional to 377,706 and 772,863
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.