Home / 492,429.75-738,642.75

Finding the Third Proportional to 492,429.75 and 738,642.75

Calculator

Solution

The third proportional to 492,429.75 and 738,642.75 is: 1,107,961.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,429.75 : 738,642.75 = 738,642.75 : x
  2. Step 2: Convert to fraction form
    492,429.75/738,642.75 = 738,642.75/x
  3. Step 3: Cross multiply
    492,429.75x = 738,642.75 × 738,642.75
  4. Step 4: Simplify right side
    492,429.75x = 545,593,112,127.56
  5. Step 5: Solve for x
    x = 545,593,112,127.56/492,429.75
  6. Step 6: Final answer
    x = 1,107,961.31

Related Problems

Find third proportional to 246,214.88 and 369,321.38
Half scale
Find third proportional to 984,859.50 and 1,477,285.50
Double scale
Find third proportional to 492,432 and 738,646
Similar ratio
Find third proportional to 738,644.63 and 1,107,964.13
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.