Home / 457,836-991,941

Finding the Third Proportional to 457,836 and 991,941

Calculator

Solution

The third proportional to 457,836 and 991,941 is: 2,149,125.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,836 : 991,941 = 991,941 : x
  2. Step 2: Convert to fraction form
    457,836/991,941 = 991,941/x
  3. Step 3: Cross multiply
    457,836x = 991,941 × 991,941
  4. Step 4: Simplify right side
    457,836x = 983,946,947,481
  5. Step 5: Solve for x
    x = 983,946,947,481/457,836
  6. Step 6: Final answer
    x = 2,149,125.34

Related Problems

Find third proportional to 228,918 and 495,970.50
Half scale
Find third proportional to 915,672 and 1,983,882
Double scale
Find third proportional to 457,838 and 991,945
Similar ratio
Find third proportional to 686,754 and 1,487,911.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.