Home / 431,252-617,520

Finding the Third Proportional to 431,252 and 617,520

Calculator

Solution

The third proportional to 431,252 and 617,520 is: 884,241.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,252 : 617,520 = 617,520 : x
  2. Step 2: Convert to fraction form
    431,252/617,520 = 617,520/x
  3. Step 3: Cross multiply
    431,252x = 617,520 × 617,520
  4. Step 4: Simplify right side
    431,252x = 381,330,950,400
  5. Step 5: Solve for x
    x = 381,330,950,400/431,252
  6. Step 6: Final answer
    x = 884,241.58

Related Problems

Find third proportional to 215,626 and 308,760
Half scale
Find third proportional to 862,504 and 1,235,040
Double scale
Find third proportional to 431,254 and 617,523
Similar ratio
Find third proportional to 646,878 and 926,280
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.