Home / 8,634-9,889.50

Finding the Third Proportional to 8,634 and 9,889.50

Calculator

Solution

The third proportional to 8,634 and 9,889.50 is: 11,327.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634 : 9,889.50 = 9,889.50 : x
  2. Step 2: Convert to fraction form
    8,634/9,889.50 = 9,889.50/x
  3. Step 3: Cross multiply
    8,634x = 9,889.50 × 9,889.50
  4. Step 4: Simplify right side
    8,634x = 97,802,210.25
  5. Step 5: Solve for x
    x = 97,802,210.25/8,634
  6. Step 6: Final answer
    x = 11,327.57

Related Problems

Find third proportional to 4,317 and 4,944.75
Half scale
Find third proportional to 17,268 and 19,779
Double scale
Find third proportional to 8,636 and 9,892
Similar ratio
Find third proportional to 12,951 and 14,834.25
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.