Home / 7,640-11,460

Finding the Third Proportional to 7,640 and 11,460

Calculator

Solution

The third proportional to 7,640 and 11,460 is: 17,190

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,640 : 11,460 = 11,460 : x
  2. Step 2: Convert to fraction form
    7,640/11,460 = 11,460/x
  3. Step 3: Cross multiply
    7,640x = 11,460 × 11,460
  4. Step 4: Simplify right side
    7,640x = 131,331,600
  5. Step 5: Solve for x
    x = 131,331,600/7,640
  6. Step 6: Final answer
    x = 17,190

Related Problems

Find third proportional to 3,820 and 5,730
Half scale
Find third proportional to 15,280 and 22,920
Double scale
Find third proportional to 7,642 and 11,463
Similar ratio
Find third proportional to 11,460 and 17,190
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.