Home / 8,730-12,477

Finding the Third Proportional to 8,730 and 12,477

Calculator

Solution

The third proportional to 8,730 and 12,477 is: 17,832.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730 : 12,477 = 12,477 : x
  2. Step 2: Convert to fraction form
    8,730/12,477 = 12,477/x
  3. Step 3: Cross multiply
    8,730x = 12,477 × 12,477
  4. Step 4: Simplify right side
    8,730x = 155,675,529
  5. Step 5: Solve for x
    x = 155,675,529/8,730
  6. Step 6: Final answer
    x = 17,832.25

Related Problems

Find third proportional to 4,365 and 6,238.50
Half scale
Find third proportional to 17,460 and 24,954
Double scale
Find third proportional to 8,732 and 12,480
Similar ratio
Find third proportional to 13,095 and 18,715.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.