Home / 300,538-634,609

Finding the Third Proportional to 300,538 and 634,609

Calculator

Solution

The third proportional to 300,538 and 634,609 is: 1,340,025.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,538 : 634,609 = 634,609 : x
  2. Step 2: Convert to fraction form
    300,538/634,609 = 634,609/x
  3. Step 3: Cross multiply
    300,538x = 634,609 × 634,609
  4. Step 4: Simplify right side
    300,538x = 402,728,582,881
  5. Step 5: Solve for x
    x = 402,728,582,881/300,538
  6. Step 6: Final answer
    x = 1,340,025.50

Related Problems

Find third proportional to 150,269 and 317,304.50
Half scale
Find third proportional to 601,076 and 1,269,218
Double scale
Find third proportional to 300,540 and 634,613
Similar ratio
Find third proportional to 450,807 and 951,913.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.