Home / 258,341-377,306

Finding the Third Proportional to 258,341 and 377,306

Calculator

Solution

The third proportional to 258,341 and 377,306 is: 551,053.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,341 : 377,306 = 377,306 : x
  2. Step 2: Convert to fraction form
    258,341/377,306 = 377,306/x
  3. Step 3: Cross multiply
    258,341x = 377,306 × 377,306
  4. Step 4: Simplify right side
    258,341x = 142,359,817,636
  5. Step 5: Solve for x
    x = 142,359,817,636/258,341
  6. Step 6: Final answer
    x = 551,053.91

Related Problems

Find third proportional to 129,170.50 and 188,653
Half scale
Find third proportional to 516,682 and 754,612
Double scale
Find third proportional to 258,343 and 377,309
Similar ratio
Find third proportional to 387,511.50 and 565,959
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.