Home / 8,970-12,178

Finding the Third Proportional to 8,970 and 12,178

Calculator

Solution

The third proportional to 8,970 and 12,178 is: 16,533.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,970 : 12,178 = 12,178 : x
  2. Step 2: Convert to fraction form
    8,970/12,178 = 12,178/x
  3. Step 3: Cross multiply
    8,970x = 12,178 × 12,178
  4. Step 4: Simplify right side
    8,970x = 148,303,684
  5. Step 5: Solve for x
    x = 148,303,684/8,970
  6. Step 6: Final answer
    x = 16,533.30

Related Problems

Find third proportional to 4,485 and 6,089
Half scale
Find third proportional to 17,940 and 24,356
Double scale
Find third proportional to 8,972 and 12,181
Similar ratio
Find third proportional to 13,455 and 18,267
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.