Home / 9,555-11,715

Finding the Third Proportional to 9,555 and 11,715

Calculator

Solution

The third proportional to 9,555 and 11,715 is: 14,363.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,555 : 11,715 = 11,715 : x
  2. Step 2: Convert to fraction form
    9,555/11,715 = 11,715/x
  3. Step 3: Cross multiply
    9,555x = 11,715 × 11,715
  4. Step 4: Simplify right side
    9,555x = 137,241,225
  5. Step 5: Solve for x
    x = 137,241,225/9,555
  6. Step 6: Final answer
    x = 14,363.29

Related Problems

Find third proportional to 4,777.50 and 5,857.50
Half scale
Find third proportional to 19,110 and 23,430
Double scale
Find third proportional to 9,557 and 11,717
Similar ratio
Find third proportional to 14,332.50 and 17,572.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.