Home / 8,659.50-13,356

Finding the Third Proportional to 8,659.50 and 13,356

Calculator

Solution

The third proportional to 8,659.50 and 13,356 is: 20,599.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,659.50 : 13,356 = 13,356 : x
  2. Step 2: Convert to fraction form
    8,659.50/13,356 = 13,356/x
  3. Step 3: Cross multiply
    8,659.50x = 13,356 × 13,356
  4. Step 4: Simplify right side
    8,659.50x = 178,382,736
  5. Step 5: Solve for x
    x = 178,382,736/8,659.50
  6. Step 6: Final answer
    x = 20,599.66

Related Problems

Find third proportional to 4,329.75 and 6,678
Half scale
Find third proportional to 17,319 and 26,712
Double scale
Find third proportional to 8,662 and 13,359
Similar ratio
Find third proportional to 12,989.25 and 20,034
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.