Home / 12,642-18,498

Finding the Third Proportional to 12,642 and 18,498

Calculator

Solution

The third proportional to 12,642 and 18,498 is: 27,066.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,642 : 18,498 = 18,498 : x
  2. Step 2: Convert to fraction form
    12,642/18,498 = 18,498/x
  3. Step 3: Cross multiply
    12,642x = 18,498 × 18,498
  4. Step 4: Simplify right side
    12,642x = 342,176,004
  5. Step 5: Solve for x
    x = 342,176,004/12,642
  6. Step 6: Final answer
    x = 27,066.60

Related Problems

Find third proportional to 6,321 and 9,249
Half scale
Find third proportional to 25,284 and 36,996
Double scale
Find third proportional to 12,644 and 18,501
Similar ratio
Find third proportional to 18,963 and 27,747
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.