Home / 8,656.50-12,708

Finding the Third Proportional to 8,656.50 and 12,708

Calculator

Solution

The third proportional to 8,656.50 and 12,708 is: 18,655.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656.50 : 12,708 = 12,708 : x
  2. Step 2: Convert to fraction form
    8,656.50/12,708 = 12,708/x
  3. Step 3: Cross multiply
    8,656.50x = 12,708 × 12,708
  4. Step 4: Simplify right side
    8,656.50x = 161,493,264
  5. Step 5: Solve for x
    x = 161,493,264/8,656.50
  6. Step 6: Final answer
    x = 18,655.72

Related Problems

Find third proportional to 4,328.25 and 6,354
Half scale
Find third proportional to 17,313 and 25,416
Double scale
Find third proportional to 8,659 and 12,711
Similar ratio
Find third proportional to 12,984.75 and 19,062
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.