Home / 207,909-450,783

Finding the Third Proportional to 207,909 and 450,783

Calculator

Solution

The third proportional to 207,909 and 450,783 is: 977,376.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,909 : 450,783 = 450,783 : x
  2. Step 2: Convert to fraction form
    207,909/450,783 = 450,783/x
  3. Step 3: Cross multiply
    207,909x = 450,783 × 450,783
  4. Step 4: Simplify right side
    207,909x = 203,205,313,089
  5. Step 5: Solve for x
    x = 203,205,313,089/207,909
  6. Step 6: Final answer
    x = 977,376.22

Related Problems

Find third proportional to 103,954.50 and 225,391.50
Half scale
Find third proportional to 415,818 and 901,566
Double scale
Find third proportional to 207,911 and 450,787
Similar ratio
Find third proportional to 311,863.50 and 676,174.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.