Home / 8,656-13,564

Finding the Third Proportional to 8,656 and 13,564

Calculator

Solution

The third proportional to 8,656 and 13,564 is: 21,254.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656 : 13,564 = 13,564 : x
  2. Step 2: Convert to fraction form
    8,656/13,564 = 13,564/x
  3. Step 3: Cross multiply
    8,656x = 13,564 × 13,564
  4. Step 4: Simplify right side
    8,656x = 183,982,096
  5. Step 5: Solve for x
    x = 183,982,096/8,656
  6. Step 6: Final answer
    x = 21,254.86

Related Problems

Find third proportional to 4,328 and 6,782
Half scale
Find third proportional to 17,312 and 27,128
Double scale
Find third proportional to 8,658 and 13,567
Similar ratio
Find third proportional to 12,984 and 20,346
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.