Home / 336,404-515,118

Finding the Third Proportional to 336,404 and 515,118

Calculator

Solution

The third proportional to 336,404 and 515,118 is: 788,773.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,404 : 515,118 = 515,118 : x
  2. Step 2: Convert to fraction form
    336,404/515,118 = 515,118/x
  3. Step 3: Cross multiply
    336,404x = 515,118 × 515,118
  4. Step 4: Simplify right side
    336,404x = 265,346,553,924
  5. Step 5: Solve for x
    x = 265,346,553,924/336,404
  6. Step 6: Final answer
    x = 788,773.48

Related Problems

Find third proportional to 168,202 and 257,559
Half scale
Find third proportional to 672,808 and 1,030,236
Double scale
Find third proportional to 336,406 and 515,121
Similar ratio
Find third proportional to 504,606 and 772,677
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.