Home / 7,788-18,294

Finding the Third Proportional to 7,788 and 18,294

Calculator

Solution

The third proportional to 7,788 and 18,294 is: 42,972.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788 : 18,294 = 18,294 : x
  2. Step 2: Convert to fraction form
    7,788/18,294 = 18,294/x
  3. Step 3: Cross multiply
    7,788x = 18,294 × 18,294
  4. Step 4: Simplify right side
    7,788x = 334,670,436
  5. Step 5: Solve for x
    x = 334,670,436/7,788
  6. Step 6: Final answer
    x = 42,972.58

Related Problems

Find third proportional to 3,894 and 9,147
Half scale
Find third proportional to 15,576 and 36,588
Double scale
Find third proportional to 7,790 and 18,299
Similar ratio
Find third proportional to 11,682 and 27,441
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.