Home / 8,790-13,614

Finding the Third Proportional to 8,790 and 13,614

Calculator

Solution

The third proportional to 8,790 and 13,614 is: 21,085.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790 : 13,614 = 13,614 : x
  2. Step 2: Convert to fraction form
    8,790/13,614 = 13,614/x
  3. Step 3: Cross multiply
    8,790x = 13,614 × 13,614
  4. Step 4: Simplify right side
    8,790x = 185,340,996
  5. Step 5: Solve for x
    x = 185,340,996/8,790
  6. Step 6: Final answer
    x = 21,085.44

Related Problems

Find third proportional to 4,395 and 6,807
Half scale
Find third proportional to 17,580 and 27,228
Double scale
Find third proportional to 8,792 and 13,617
Similar ratio
Find third proportional to 13,185 and 20,421
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.