Home / 379,384-812,744

Finding the Third Proportional to 379,384 and 812,744

Calculator

Solution

The third proportional to 379,384 and 812,744 is: 1,741,119.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,384 : 812,744 = 812,744 : x
  2. Step 2: Convert to fraction form
    379,384/812,744 = 812,744/x
  3. Step 3: Cross multiply
    379,384x = 812,744 × 812,744
  4. Step 4: Simplify right side
    379,384x = 660,552,809,536
  5. Step 5: Solve for x
    x = 660,552,809,536/379,384
  6. Step 6: Final answer
    x = 1,741,119.31

Related Problems

Find third proportional to 189,692 and 406,372
Half scale
Find third proportional to 758,768 and 1,625,488
Double scale
Find third proportional to 379,386 and 812,748
Similar ratio
Find third proportional to 569,076 and 1,219,116
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.