Home / 8,508,696-18,213,420

Finding the Third Proportional to 8,508,696 and 18,213,420

Calculator

Solution

The third proportional to 8,508,696 and 18,213,420 is: 38,987,016.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508,696 : 18,213,420 = 18,213,420 : x
  2. Step 2: Convert to fraction form
    8,508,696/18,213,420 = 18,213,420/x
  3. Step 3: Cross multiply
    8,508,696x = 18,213,420 × 18,213,420
  4. Step 4: Simplify right side
    8,508,696x = 331,728,668,096,400
  5. Step 5: Solve for x
    x = 331,728,668,096,400/8,508,696
  6. Step 6: Final answer
    x = 38,987,016.12

Related Problems

Find third proportional to 4,254,348 and 9,106,710
Half scale
Find third proportional to 17,017,392 and 36,426,840
Double scale
Find third proportional to 8,508,698 and 18,213,424
Similar ratio
Find third proportional to 12,763,044 and 27,320,130
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.