Home / 850,428-1,279,485

Finding the Third Proportional to 850,428 and 1,279,485

Calculator

Solution

The third proportional to 850,428 and 1,279,485 is: 1,925,009.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,428 : 1,279,485 = 1,279,485 : x
  2. Step 2: Convert to fraction form
    850,428/1,279,485 = 1,279,485/x
  3. Step 3: Cross multiply
    850,428x = 1,279,485 × 1,279,485
  4. Step 4: Simplify right side
    850,428x = 1,637,081,865,225
  5. Step 5: Solve for x
    x = 1,637,081,865,225/850,428
  6. Step 6: Final answer
    x = 1,925,009.37

Related Problems

Find third proportional to 425,214 and 639,742.50
Half scale
Find third proportional to 1,700,856 and 2,558,970
Double scale
Find third proportional to 850,430 and 1,279,488
Similar ratio
Find third proportional to 1,275,642 and 1,919,227.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.