Home / 288,948-383,505

Finding the Third Proportional to 288,948 and 383,505

Calculator

Solution

The third proportional to 288,948 and 383,505 is: 509,005.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,948 : 383,505 = 383,505 : x
  2. Step 2: Convert to fraction form
    288,948/383,505 = 383,505/x
  3. Step 3: Cross multiply
    288,948x = 383,505 × 383,505
  4. Step 4: Simplify right side
    288,948x = 147,076,085,025
  5. Step 5: Solve for x
    x = 147,076,085,025/288,948
  6. Step 6: Final answer
    x = 509,005.37

Related Problems

Find third proportional to 144,474 and 191,752.50
Half scale
Find third proportional to 577,896 and 767,010
Double scale
Find third proportional to 288,950 and 383,508
Similar ratio
Find third proportional to 433,422 and 575,257.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.