Home / 8,713.50-12,702

Finding the Third Proportional to 8,713.50 and 12,702

Calculator

Solution

The third proportional to 8,713.50 and 12,702 is: 18,516.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713.50 : 12,702 = 12,702 : x
  2. Step 2: Convert to fraction form
    8,713.50/12,702 = 12,702/x
  3. Step 3: Cross multiply
    8,713.50x = 12,702 × 12,702
  4. Step 4: Simplify right side
    8,713.50x = 161,340,804
  5. Step 5: Solve for x
    x = 161,340,804/8,713.50
  6. Step 6: Final answer
    x = 18,516.19

Related Problems

Find third proportional to 4,356.75 and 6,351
Half scale
Find third proportional to 17,427 and 25,404
Double scale
Find third proportional to 8,716 and 12,705
Similar ratio
Find third proportional to 13,070.25 and 19,053
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.