Home / 8,508-18,385.50

Finding the Third Proportional to 8,508 and 18,385.50

Calculator

Solution

The third proportional to 8,508 and 18,385.50 is: 39,730.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508 : 18,385.50 = 18,385.50 : x
  2. Step 2: Convert to fraction form
    8,508/18,385.50 = 18,385.50/x
  3. Step 3: Cross multiply
    8,508x = 18,385.50 × 18,385.50
  4. Step 4: Simplify right side
    8,508x = 338,026,610.25
  5. Step 5: Solve for x
    x = 338,026,610.25/8,508
  6. Step 6: Final answer
    x = 39,730.44

Related Problems

Find third proportional to 4,254 and 9,192.75
Half scale
Find third proportional to 17,016 and 36,771
Double scale
Find third proportional to 8,510 and 18,390
Similar ratio
Find third proportional to 12,762 and 27,578.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.