Home / 8,682,398-18,907,684

Finding the Third Proportional to 8,682,398 and 18,907,684

Calculator

Solution

The third proportional to 8,682,398 and 18,907,684 is: 41,175,319.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682,398 : 18,907,684 = 18,907,684 : x
  2. Step 2: Convert to fraction form
    8,682,398/18,907,684 = 18,907,684/x
  3. Step 3: Cross multiply
    8,682,398x = 18,907,684 × 18,907,684
  4. Step 4: Simplify right side
    8,682,398x = 357,500,514,243,856
  5. Step 5: Solve for x
    x = 357,500,514,243,856/8,682,398
  6. Step 6: Final answer
    x = 41,175,319.80

Related Problems

Find third proportional to 4,341,199 and 9,453,842
Half scale
Find third proportional to 17,364,796 and 37,815,368
Double scale
Find third proportional to 8,682,400 and 18,907,688
Similar ratio
Find third proportional to 13,023,597 and 28,361,526
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.