Home / 385,472-574,880

Finding the Third Proportional to 385,472 and 574,880

Calculator

Solution

The third proportional to 385,472 and 574,880 is: 857,356.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,472 : 574,880 = 574,880 : x
  2. Step 2: Convert to fraction form
    385,472/574,880 = 574,880/x
  3. Step 3: Cross multiply
    385,472x = 574,880 × 574,880
  4. Step 4: Simplify right side
    385,472x = 330,487,014,400
  5. Step 5: Solve for x
    x = 330,487,014,400/385,472
  6. Step 6: Final answer
    x = 857,356.73

Related Problems

Find third proportional to 192,736 and 287,440
Half scale
Find third proportional to 770,944 and 1,149,760
Double scale
Find third proportional to 385,474 and 574,883
Similar ratio
Find third proportional to 578,208 and 862,320
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.