Home / 395,816-864,214

Finding the Third Proportional to 395,816 and 864,214

Calculator

Solution

The third proportional to 395,816 and 864,214 is: 1,886,901.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,816 : 864,214 = 864,214 : x
  2. Step 2: Convert to fraction form
    395,816/864,214 = 864,214/x
  3. Step 3: Cross multiply
    395,816x = 864,214 × 864,214
  4. Step 4: Simplify right side
    395,816x = 746,865,837,796
  5. Step 5: Solve for x
    x = 746,865,837,796/395,816
  6. Step 6: Final answer
    x = 1,886,901.59

Related Problems

Find third proportional to 197,908 and 432,107
Half scale
Find third proportional to 791,632 and 1,728,428
Double scale
Find third proportional to 395,818 and 864,218
Similar ratio
Find third proportional to 593,724 and 1,296,321
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.