Home / 18,564-20,512.50

Finding the Third Proportional to 18,564 and 20,512.50

Calculator

Solution

The third proportional to 18,564 and 20,512.50 is: 22,665.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,564 : 20,512.50 = 20,512.50 : x
  2. Step 2: Convert to fraction form
    18,564/20,512.50 = 20,512.50/x
  3. Step 3: Cross multiply
    18,564x = 20,512.50 × 20,512.50
  4. Step 4: Simplify right side
    18,564x = 420,762,656.25
  5. Step 5: Solve for x
    x = 420,762,656.25/18,564
  6. Step 6: Final answer
    x = 22,665.52

Related Problems

Find third proportional to 9,282 and 10,256.25
Half scale
Find third proportional to 37,128 and 41,025
Double scale
Find third proportional to 18,566 and 20,515
Similar ratio
Find third proportional to 27,846 and 30,768.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.