Home / 402,339-603,516

Finding the Third Proportional to 402,339 and 603,516

Calculator

Solution

The third proportional to 402,339 and 603,516 is: 905,285.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,339 : 603,516 = 603,516 : x
  2. Step 2: Convert to fraction form
    402,339/603,516 = 603,516/x
  3. Step 3: Cross multiply
    402,339x = 603,516 × 603,516
  4. Step 4: Simplify right side
    402,339x = 364,231,562,256
  5. Step 5: Solve for x
    x = 364,231,562,256/402,339
  6. Step 6: Final answer
    x = 905,285.25

Related Problems

Find third proportional to 201,169.50 and 301,758
Half scale
Find third proportional to 804,678 and 1,207,032
Double scale
Find third proportional to 402,341 and 603,519
Similar ratio
Find third proportional to 603,508.50 and 905,274
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.