Home / 518,762-778,143

Finding the Third Proportional to 518,762 and 778,143

Calculator

Solution

The third proportional to 518,762 and 778,143 is: 1,167,214.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,762 : 778,143 = 778,143 : x
  2. Step 2: Convert to fraction form
    518,762/778,143 = 778,143/x
  3. Step 3: Cross multiply
    518,762x = 778,143 × 778,143
  4. Step 4: Simplify right side
    518,762x = 605,506,528,449
  5. Step 5: Solve for x
    x = 605,506,528,449/518,762
  6. Step 6: Final answer
    x = 1,167,214.50

Related Problems

Find third proportional to 259,381 and 389,071.50
Half scale
Find third proportional to 1,037,524 and 1,556,286
Double scale
Find third proportional to 518,764 and 778,146
Similar ratio
Find third proportional to 778,143 and 1,167,214.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.