Home / 15,234-16,818

Finding the Third Proportional to 15,234 and 16,818

Calculator

Solution

The third proportional to 15,234 and 16,818 is: 18,566.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,234 : 16,818 = 16,818 : x
  2. Step 2: Convert to fraction form
    15,234/16,818 = 16,818/x
  3. Step 3: Cross multiply
    15,234x = 16,818 × 16,818
  4. Step 4: Simplify right side
    15,234x = 282,845,124
  5. Step 5: Solve for x
    x = 282,845,124/15,234
  6. Step 6: Final answer
    x = 18,566.70

Related Problems

Find third proportional to 7,617 and 8,409
Half scale
Find third proportional to 30,468 and 33,636
Double scale
Find third proportional to 15,236 and 16,820
Similar ratio
Find third proportional to 22,851 and 25,227
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.