Home / 384,090-581,439

Finding the Third Proportional to 384,090 and 581,439

Calculator

Solution

The third proportional to 384,090 and 581,439 is: 880,187.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,090 : 581,439 = 581,439 : x
  2. Step 2: Convert to fraction form
    384,090/581,439 = 581,439/x
  3. Step 3: Cross multiply
    384,090x = 581,439 × 581,439
  4. Step 4: Simplify right side
    384,090x = 338,071,310,721
  5. Step 5: Solve for x
    x = 338,071,310,721/384,090
  6. Step 6: Final answer
    x = 880,187.74

Related Problems

Find third proportional to 192,045 and 290,719.50
Half scale
Find third proportional to 768,180 and 1,162,878
Double scale
Find third proportional to 384,092 and 581,442
Similar ratio
Find third proportional to 576,135 and 872,158.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.