Home / 121,059,512-169,870,486

Finding the Third Proportional to 121,059,512 and 169,870,486

Calculator

Solution

The third proportional to 121,059,512 and 169,870,486 is: 238,361,955.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,059,512 : 169,870,486 = 169,870,486 : x
  2. Step 2: Convert to fraction form
    121,059,512/169,870,486 = 169,870,486/x
  3. Step 3: Cross multiply
    121,059,512x = 169,870,486 × 169,870,486
  4. Step 4: Simplify right side
    121,059,512x = 28,855,982,013,876,196
  5. Step 5: Solve for x
    x = 28,855,982,013,876,196/121,059,512
  6. Step 6: Final answer
    x = 238,361,955.51

Related Problems

Find third proportional to 60,529,756 and 84,935,243
Half scale
Find third proportional to 242,119,024 and 339,740,972
Double scale
Find third proportional to 121,059,514 and 169,870,489
Similar ratio
Find third proportional to 181,589,268 and 254,805,729
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.