Home / 207,781-447,617

Finding the Third Proportional to 207,781 and 447,617

Calculator

Solution

The third proportional to 207,781 and 447,617 is: 964,289.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,781 : 447,617 = 447,617 : x
  2. Step 2: Convert to fraction form
    207,781/447,617 = 447,617/x
  3. Step 3: Cross multiply
    207,781x = 447,617 × 447,617
  4. Step 4: Simplify right side
    207,781x = 200,360,978,689
  5. Step 5: Solve for x
    x = 200,360,978,689/207,781
  6. Step 6: Final answer
    x = 964,289.22

Related Problems

Find third proportional to 103,890.50 and 223,808.50
Half scale
Find third proportional to 415,562 and 895,234
Double scale
Find third proportional to 207,783 and 447,621
Similar ratio
Find third proportional to 311,671.50 and 671,425.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.