Home / 16,748-18,220

Finding the Third Proportional to 16,748 and 18,220

Calculator

Solution

The third proportional to 16,748 and 18,220 is: 19,821.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,748 : 18,220 = 18,220 : x
  2. Step 2: Convert to fraction form
    16,748/18,220 = 18,220/x
  3. Step 3: Cross multiply
    16,748x = 18,220 × 18,220
  4. Step 4: Simplify right side
    16,748x = 331,968,400
  5. Step 5: Solve for x
    x = 331,968,400/16,748
  6. Step 6: Final answer
    x = 19,821.38

Related Problems

Find third proportional to 8,374 and 9,110
Half scale
Find third proportional to 33,496 and 36,440
Double scale
Find third proportional to 16,750 and 18,222
Similar ratio
Find third proportional to 25,122 and 27,330
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.