Home / 8,787-9,723

Finding the Third Proportional to 8,787 and 9,723

Calculator

Solution

The third proportional to 8,787 and 9,723 is: 10,758.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787 : 9,723 = 9,723 : x
  2. Step 2: Convert to fraction form
    8,787/9,723 = 9,723/x
  3. Step 3: Cross multiply
    8,787x = 9,723 × 9,723
  4. Step 4: Simplify right side
    8,787x = 94,536,729
  5. Step 5: Solve for x
    x = 94,536,729/8,787
  6. Step 6: Final answer
    x = 10,758.70

Related Problems

Find third proportional to 4,393.50 and 4,861.50
Half scale
Find third proportional to 17,574 and 19,446
Double scale
Find third proportional to 8,789 and 9,725
Similar ratio
Find third proportional to 13,180.50 and 14,584.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.