Home / 498,114-778,275

Finding the Third Proportional to 498,114 and 778,275

Calculator

Solution

The third proportional to 498,114 and 778,275 is: 1,216,010.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,114 : 778,275 = 778,275 : x
  2. Step 2: Convert to fraction form
    498,114/778,275 = 778,275/x
  3. Step 3: Cross multiply
    498,114x = 778,275 × 778,275
  4. Step 4: Simplify right side
    498,114x = 605,711,975,625
  5. Step 5: Solve for x
    x = 605,711,975,625/498,114
  6. Step 6: Final answer
    x = 1,216,010.74

Related Problems

Find third proportional to 249,057 and 389,137.50
Half scale
Find third proportional to 996,228 and 1,556,550
Double scale
Find third proportional to 498,116 and 778,278
Similar ratio
Find third proportional to 747,171 and 1,167,412.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.