Home / 379,432-878,432

Finding the Third Proportional to 379,432 and 878,432

Calculator

Solution

The third proportional to 379,432 and 878,432 is: 2,033,678.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,432 : 878,432 = 878,432 : x
  2. Step 2: Convert to fraction form
    379,432/878,432 = 878,432/x
  3. Step 3: Cross multiply
    379,432x = 878,432 × 878,432
  4. Step 4: Simplify right side
    379,432x = 771,642,778,624
  5. Step 5: Solve for x
    x = 771,642,778,624/379,432
  6. Step 6: Final answer
    x = 2,033,678.71

Related Problems

Find third proportional to 189,716 and 439,216
Half scale
Find third proportional to 758,864 and 1,756,864
Double scale
Find third proportional to 379,434 and 878,437
Similar ratio
Find third proportional to 569,148 and 1,317,648
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.