Home / 18,500-28,709

Finding the Third Proportional to 18,500 and 28,709

Calculator

Solution

The third proportional to 18,500 and 28,709 is: 44,551.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500 : 28,709 = 28,709 : x
  2. Step 2: Convert to fraction form
    18,500/28,709 = 28,709/x
  3. Step 3: Cross multiply
    18,500x = 28,709 × 28,709
  4. Step 4: Simplify right side
    18,500x = 824,206,681
  5. Step 5: Solve for x
    x = 824,206,681/18,500
  6. Step 6: Final answer
    x = 44,551.71

Related Problems

Find third proportional to 9,250 and 14,354.50
Half scale
Find third proportional to 37,000 and 57,418
Double scale
Find third proportional to 18,502 and 28,712
Similar ratio
Find third proportional to 27,750 and 43,063.50
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.