Home / 12,298,200-18,129,348

Finding the Third Proportional to 12,298,200 and 18,129,348

Calculator

Solution

The third proportional to 12,298,200 and 18,129,348 is: 26,725,314.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298,200 : 18,129,348 = 18,129,348 : x
  2. Step 2: Convert to fraction form
    12,298,200/18,129,348 = 18,129,348/x
  3. Step 3: Cross multiply
    12,298,200x = 18,129,348 × 18,129,348
  4. Step 4: Simplify right side
    12,298,200x = 328,673,258,905,104
  5. Step 5: Solve for x
    x = 328,673,258,905,104/12,298,200
  6. Step 6: Final answer
    x = 26,725,314.18

Related Problems

Find third proportional to 6,149,100 and 9,064,674
Half scale
Find third proportional to 24,596,400 and 36,258,696
Double scale
Find third proportional to 12,298,202 and 18,129,351
Similar ratio
Find third proportional to 18,447,300 and 27,194,022
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.