Home / 8,688-19,104

Finding the Third Proportional to 8,688 and 19,104

Calculator

Solution

The third proportional to 8,688 and 19,104 is: 42,007.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688 : 19,104 = 19,104 : x
  2. Step 2: Convert to fraction form
    8,688/19,104 = 19,104/x
  3. Step 3: Cross multiply
    8,688x = 19,104 × 19,104
  4. Step 4: Simplify right side
    8,688x = 364,962,816
  5. Step 5: Solve for x
    x = 364,962,816/8,688
  6. Step 6: Final answer
    x = 42,007.69

Related Problems

Find third proportional to 4,344 and 9,552
Half scale
Find third proportional to 17,376 and 38,208
Double scale
Find third proportional to 8,690 and 19,108
Similar ratio
Find third proportional to 13,032 and 28,656
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.