Home / 481,320-739,890

Finding the Third Proportional to 481,320 and 739,890

Calculator

Solution

The third proportional to 481,320 and 739,890 is: 1,137,366.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,320 : 739,890 = 739,890 : x
  2. Step 2: Convert to fraction form
    481,320/739,890 = 739,890/x
  3. Step 3: Cross multiply
    481,320x = 739,890 × 739,890
  4. Step 4: Simplify right side
    481,320x = 547,437,212,100
  5. Step 5: Solve for x
    x = 547,437,212,100/481,320
  6. Step 6: Final answer
    x = 1,137,366.43

Related Problems

Find third proportional to 240,660 and 369,945
Half scale
Find third proportional to 962,640 and 1,479,780
Double scale
Find third proportional to 481,322 and 739,893
Similar ratio
Find third proportional to 721,980 and 1,109,835
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.