Home / 408,459-571,324.50

Finding the Third Proportional to 408,459 and 571,324.50

Calculator

Solution

The third proportional to 408,459 and 571,324.50 is: 799,129.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,459 : 571,324.50 = 571,324.50 : x
  2. Step 2: Convert to fraction form
    408,459/571,324.50 = 571,324.50/x
  3. Step 3: Cross multiply
    408,459x = 571,324.50 × 571,324.50
  4. Step 4: Simplify right side
    408,459x = 326,411,684,300.25
  5. Step 5: Solve for x
    x = 326,411,684,300.25/408,459
  6. Step 6: Final answer
    x = 799,129.62

Related Problems

Find third proportional to 204,229.50 and 285,662.25
Half scale
Find third proportional to 816,918 and 1,142,649
Double scale
Find third proportional to 408,461 and 571,327
Similar ratio
Find third proportional to 612,688.50 and 856,986.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.