Home / 258,387-548,049

Finding the Third Proportional to 258,387 and 548,049

Calculator

Solution

The third proportional to 258,387 and 548,049 is: 1,162,433.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,387 : 548,049 = 548,049 : x
  2. Step 2: Convert to fraction form
    258,387/548,049 = 548,049/x
  3. Step 3: Cross multiply
    258,387x = 548,049 × 548,049
  4. Step 4: Simplify right side
    258,387x = 300,357,706,401
  5. Step 5: Solve for x
    x = 300,357,706,401/258,387
  6. Step 6: Final answer
    x = 1,162,433.51

Related Problems

Find third proportional to 129,193.50 and 274,024.50
Half scale
Find third proportional to 516,774 and 1,096,098
Double scale
Find third proportional to 258,389 and 548,053
Similar ratio
Find third proportional to 387,580.50 and 822,073.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.