Home / 8,754-19,209

Finding the Third Proportional to 8,754 and 19,209

Calculator

Solution

The third proportional to 8,754 and 19,209 is: 42,150.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754 : 19,209 = 19,209 : x
  2. Step 2: Convert to fraction form
    8,754/19,209 = 19,209/x
  3. Step 3: Cross multiply
    8,754x = 19,209 × 19,209
  4. Step 4: Simplify right side
    8,754x = 368,985,681
  5. Step 5: Solve for x
    x = 368,985,681/8,754
  6. Step 6: Final answer
    x = 42,150.52

Related Problems

Find third proportional to 4,377 and 9,604.50
Half scale
Find third proportional to 17,508 and 38,418
Double scale
Find third proportional to 8,756 and 19,213
Similar ratio
Find third proportional to 13,131 and 28,813.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.