Home / 12,993,160-18,164,690

Finding the Third Proportional to 12,993,160 and 18,164,690

Calculator

Solution

The third proportional to 12,993,160 and 18,164,690 is: 25,394,589.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,993,160 : 18,164,690 = 18,164,690 : x
  2. Step 2: Convert to fraction form
    12,993,160/18,164,690 = 18,164,690/x
  3. Step 3: Cross multiply
    12,993,160x = 18,164,690 × 18,164,690
  4. Step 4: Simplify right side
    12,993,160x = 329,955,962,796,100
  5. Step 5: Solve for x
    x = 329,955,962,796,100/12,993,160
  6. Step 6: Final answer
    x = 25,394,589.37

Related Problems

Find third proportional to 6,496,580 and 9,082,345
Half scale
Find third proportional to 25,986,320 and 36,329,380
Double scale
Find third proportional to 12,993,162 and 18,164,693
Similar ratio
Find third proportional to 19,489,740 and 27,247,035
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.