Home / 513,839-730,380

Finding the Third Proportional to 513,839 and 730,380

Calculator

Solution

The third proportional to 513,839 and 730,380 is: 1,038,175.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,839 : 730,380 = 730,380 : x
  2. Step 2: Convert to fraction form
    513,839/730,380 = 730,380/x
  3. Step 3: Cross multiply
    513,839x = 730,380 × 730,380
  4. Step 4: Simplify right side
    513,839x = 533,454,944,400
  5. Step 5: Solve for x
    x = 533,454,944,400/513,839
  6. Step 6: Final answer
    x = 1,038,175.27

Related Problems

Find third proportional to 256,919.50 and 365,190
Half scale
Find third proportional to 1,027,678 and 1,460,760
Double scale
Find third proportional to 513,841 and 730,383
Similar ratio
Find third proportional to 770,758.50 and 1,095,570
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.