Home / 85,420-183,470

Finding the Third Proportional to 85,420 and 183,470

Calculator

Solution

The third proportional to 85,420 and 183,470 is: 394,067.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,420 : 183,470 = 183,470 : x
  2. Step 2: Convert to fraction form
    85,420/183,470 = 183,470/x
  3. Step 3: Cross multiply
    85,420x = 183,470 × 183,470
  4. Step 4: Simplify right side
    85,420x = 33,661,240,900
  5. Step 5: Solve for x
    x = 33,661,240,900/85,420
  6. Step 6: Final answer
    x = 394,067.44

Related Problems

Find third proportional to 42,710 and 91,735
Half scale
Find third proportional to 170,840 and 366,940
Double scale
Find third proportional to 85,422 and 183,474
Similar ratio
Find third proportional to 128,130 and 275,205
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.