Home / 316,508-422,804

Finding the Third Proportional to 316,508 and 422,804

Calculator

Solution

The third proportional to 316,508 and 422,804 is: 564,798.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,508 : 422,804 = 422,804 : x
  2. Step 2: Convert to fraction form
    316,508/422,804 = 422,804/x
  3. Step 3: Cross multiply
    316,508x = 422,804 × 422,804
  4. Step 4: Simplify right side
    316,508x = 178,763,222,416
  5. Step 5: Solve for x
    x = 178,763,222,416/316,508
  6. Step 6: Final answer
    x = 564,798.43

Related Problems

Find third proportional to 158,254 and 211,402
Half scale
Find third proportional to 633,016 and 845,608
Double scale
Find third proportional to 316,510 and 422,807
Similar ratio
Find third proportional to 474,762 and 634,206
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.