Home / 18,774-28,297

Finding the Third Proportional to 18,774 and 28,297

Calculator

Solution

The third proportional to 18,774 and 28,297 is: 42,650.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,774 : 28,297 = 28,297 : x
  2. Step 2: Convert to fraction form
    18,774/28,297 = 28,297/x
  3. Step 3: Cross multiply
    18,774x = 28,297 × 28,297
  4. Step 4: Simplify right side
    18,774x = 800,720,209
  5. Step 5: Solve for x
    x = 800,720,209/18,774
  6. Step 6: Final answer
    x = 42,650.49

Related Problems

Find third proportional to 9,387 and 14,148.50
Half scale
Find third proportional to 37,548 and 56,594
Double scale
Find third proportional to 18,776 and 28,300
Similar ratio
Find third proportional to 28,161 and 42,445.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.