Home / 276,602-427,184

Finding the Third Proportional to 276,602 and 427,184

Calculator

Solution

The third proportional to 276,602 and 427,184 is: 659,742.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,602 : 427,184 = 427,184 : x
  2. Step 2: Convert to fraction form
    276,602/427,184 = 427,184/x
  3. Step 3: Cross multiply
    276,602x = 427,184 × 427,184
  4. Step 4: Simplify right side
    276,602x = 182,486,169,856
  5. Step 5: Solve for x
    x = 182,486,169,856/276,602
  6. Step 6: Final answer
    x = 659,742.77

Related Problems

Find third proportional to 138,301 and 213,592
Half scale
Find third proportional to 553,204 and 854,368
Double scale
Find third proportional to 276,604 and 427,187
Similar ratio
Find third proportional to 414,903 and 640,776
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.