Home / 305,288-449,104

Finding the Third Proportional to 305,288 and 449,104

Calculator

Solution

The third proportional to 305,288 and 449,104 is: 660,669.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,288 : 449,104 = 449,104 : x
  2. Step 2: Convert to fraction form
    305,288/449,104 = 449,104/x
  3. Step 3: Cross multiply
    305,288x = 449,104 × 449,104
  4. Step 4: Simplify right side
    305,288x = 201,694,402,816
  5. Step 5: Solve for x
    x = 201,694,402,816/305,288
  6. Step 6: Final answer
    x = 660,669.28

Related Problems

Find third proportional to 152,644 and 224,552
Half scale
Find third proportional to 610,576 and 898,208
Double scale
Find third proportional to 305,290 and 449,107
Similar ratio
Find third proportional to 457,932 and 673,656
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.