Home / 8,487-9,771

Finding the Third Proportional to 8,487 and 9,771

Calculator

Solution

The third proportional to 8,487 and 9,771 is: 11,249.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,487 : 9,771 = 9,771 : x
  2. Step 2: Convert to fraction form
    8,487/9,771 = 9,771/x
  3. Step 3: Cross multiply
    8,487x = 9,771 × 9,771
  4. Step 4: Simplify right side
    8,487x = 95,472,441
  5. Step 5: Solve for x
    x = 95,472,441/8,487
  6. Step 6: Final answer
    x = 11,249.26

Related Problems

Find third proportional to 4,243.50 and 4,885.50
Half scale
Find third proportional to 16,974 and 19,542
Double scale
Find third proportional to 8,489 and 9,773
Similar ratio
Find third proportional to 12,730.50 and 14,656.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.