Home / 276,314.50-439,382.50

Finding the Third Proportional to 276,314.50 and 439,382.50

Calculator

Solution

The third proportional to 276,314.50 and 439,382.50 is: 698,685.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,314.50 : 439,382.50 = 439,382.50 : x
  2. Step 2: Convert to fraction form
    276,314.50/439,382.50 = 439,382.50/x
  3. Step 3: Cross multiply
    276,314.50x = 439,382.50 × 439,382.50
  4. Step 4: Simplify right side
    276,314.50x = 193,056,981,306.25
  5. Step 5: Solve for x
    x = 193,056,981,306.25/276,314.50
  6. Step 6: Final answer
    x = 698,685.67

Related Problems

Find third proportional to 138,157.25 and 219,691.25
Half scale
Find third proportional to 552,629 and 878,765
Double scale
Find third proportional to 276,317 and 439,386
Similar ratio
Find third proportional to 414,471.75 and 659,073.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.