Home / 379,712-808,504

Finding the Third Proportional to 379,712 and 808,504

Calculator

Solution

The third proportional to 379,712 and 808,504 is: 1,721,511.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,712 : 808,504 = 808,504 : x
  2. Step 2: Convert to fraction form
    379,712/808,504 = 808,504/x
  3. Step 3: Cross multiply
    379,712x = 808,504 × 808,504
  4. Step 4: Simplify right side
    379,712x = 653,678,718,016
  5. Step 5: Solve for x
    x = 653,678,718,016/379,712
  6. Step 6: Final answer
    x = 1,721,511.88

Related Problems

Find third proportional to 189,856 and 404,252
Half scale
Find third proportional to 759,424 and 1,617,008
Double scale
Find third proportional to 379,714 and 808,508
Similar ratio
Find third proportional to 569,568 and 1,212,756
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.