Home / 8,731-13,530

Finding the Third Proportional to 8,731 and 13,530

Calculator

Solution

The third proportional to 8,731 and 13,530 is: 20,966.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731 : 13,530 = 13,530 : x
  2. Step 2: Convert to fraction form
    8,731/13,530 = 13,530/x
  3. Step 3: Cross multiply
    8,731x = 13,530 × 13,530
  4. Step 4: Simplify right side
    8,731x = 183,060,900
  5. Step 5: Solve for x
    x = 183,060,900/8,731
  6. Step 6: Final answer
    x = 20,966.77

Related Problems

Find third proportional to 4,365.50 and 6,765
Half scale
Find third proportional to 17,462 and 27,060
Double scale
Find third proportional to 8,733 and 13,533
Similar ratio
Find third proportional to 13,096.50 and 20,295
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.