Home / 276,723-405,216

Finding the Third Proportional to 276,723 and 405,216

Calculator

Solution

The third proportional to 276,723 and 405,216 is: 593,373.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,723 : 405,216 = 405,216 : x
  2. Step 2: Convert to fraction form
    276,723/405,216 = 405,216/x
  3. Step 3: Cross multiply
    276,723x = 405,216 × 405,216
  4. Step 4: Simplify right side
    276,723x = 164,200,006,656
  5. Step 5: Solve for x
    x = 164,200,006,656/276,723
  6. Step 6: Final answer
    x = 593,373.18

Related Problems

Find third proportional to 138,361.50 and 202,608
Half scale
Find third proportional to 553,446 and 810,432
Double scale
Find third proportional to 276,725 and 405,219
Similar ratio
Find third proportional to 415,084.50 and 607,824
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.