Home / 8,588,720-18,171,427

Finding the Third Proportional to 8,588,720 and 18,171,427

Calculator

Solution

The third proportional to 8,588,720 and 18,171,427 is: 38,445,863.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,588,720 : 18,171,427 = 18,171,427 : x
  2. Step 2: Convert to fraction form
    8,588,720/18,171,427 = 18,171,427/x
  3. Step 3: Cross multiply
    8,588,720x = 18,171,427 × 18,171,427
  4. Step 4: Simplify right side
    8,588,720x = 330,200,759,216,329
  5. Step 5: Solve for x
    x = 330,200,759,216,329/8,588,720
  6. Step 6: Final answer
    x = 38,445,863.79

Related Problems

Find third proportional to 4,294,360 and 9,085,713.50
Half scale
Find third proportional to 17,177,440 and 36,342,854
Double scale
Find third proportional to 8,588,722 and 18,171,431
Similar ratio
Find third proportional to 12,883,080 and 27,257,140.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.