Home / 316,714-490,818

Finding the Third Proportional to 316,714 and 490,818

Calculator

Solution

The third proportional to 316,714 and 490,818 is: 760,630.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,714 : 490,818 = 490,818 : x
  2. Step 2: Convert to fraction form
    316,714/490,818 = 490,818/x
  3. Step 3: Cross multiply
    316,714x = 490,818 × 490,818
  4. Step 4: Simplify right side
    316,714x = 240,902,309,124
  5. Step 5: Solve for x
    x = 240,902,309,124/316,714
  6. Step 6: Final answer
    x = 760,630.44

Related Problems

Find third proportional to 158,357 and 245,409
Half scale
Find third proportional to 633,428 and 981,636
Double scale
Find third proportional to 316,716 and 490,821
Similar ratio
Find third proportional to 475,071 and 736,227
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.