Home / 310,853.81-494,305.31

Finding the Third Proportional to 310,853.81 and 494,305.31

Calculator

Solution

The third proportional to 310,853.81 and 494,305.31 is: 786,021.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,853.81 : 494,305.31 = 494,305.31 : x
  2. Step 2: Convert to fraction form
    310,853.81/494,305.31 = 494,305.31/x
  3. Step 3: Cross multiply
    310,853.81x = 494,305.31 × 494,305.31
  4. Step 4: Simplify right side
    310,853.81x = 244,337,741,965.72
  5. Step 5: Solve for x
    x = 244,337,741,965.72/310,853.81
  6. Step 6: Final answer
    x = 786,021.38

Related Problems

Find third proportional to 155,426.91 and 247,152.66
Half scale
Find third proportional to 621,707.63 and 988,610.63
Double scale
Find third proportional to 310,856 and 494,308
Similar ratio
Find third proportional to 466,280.72 and 741,457.97
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.