Home / 7,659-15,636

Finding the Third Proportional to 7,659 and 15,636

Calculator

Solution

The third proportional to 7,659 and 15,636 is: 31,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,659 : 15,636 = 15,636 : x
  2. Step 2: Convert to fraction form
    7,659/15,636 = 15,636/x
  3. Step 3: Cross multiply
    7,659x = 15,636 × 15,636
  4. Step 4: Simplify right side
    7,659x = 244,484,496
  5. Step 5: Solve for x
    x = 244,484,496/7,659
  6. Step 6: Final answer
    x = 31,921.20

Related Problems

Find third proportional to 3,829.50 and 7,818
Half scale
Find third proportional to 15,318 and 31,272
Double scale
Find third proportional to 7,661 and 15,640
Similar ratio
Find third proportional to 11,488.50 and 23,454
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.