Home / 379,528-817,704

Finding the Third Proportional to 379,528 and 817,704

Calculator

Solution

The third proportional to 379,528 and 817,704 is: 1,761,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,528 : 817,704 = 817,704 : x
  2. Step 2: Convert to fraction form
    379,528/817,704 = 817,704/x
  3. Step 3: Cross multiply
    379,528x = 817,704 × 817,704
  4. Step 4: Simplify right side
    379,528x = 668,639,831,616
  5. Step 5: Solve for x
    x = 668,639,831,616/379,528
  6. Step 6: Final answer
    x = 1,761,766.80

Related Problems

Find third proportional to 189,764 and 408,852
Half scale
Find third proportional to 759,056 and 1,635,408
Double scale
Find third proportional to 379,530 and 817,708
Similar ratio
Find third proportional to 569,292 and 1,226,556
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.