Home / 7,498-11,640

Finding the Third Proportional to 7,498 and 11,640

Calculator

Solution

The third proportional to 7,498 and 11,640 is: 18,070.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,498 : 11,640 = 11,640 : x
  2. Step 2: Convert to fraction form
    7,498/11,640 = 11,640/x
  3. Step 3: Cross multiply
    7,498x = 11,640 × 11,640
  4. Step 4: Simplify right side
    7,498x = 135,489,600
  5. Step 5: Solve for x
    x = 135,489,600/7,498
  6. Step 6: Final answer
    x = 18,070.10

Related Problems

Find third proportional to 3,749 and 5,820
Half scale
Find third proportional to 14,996 and 23,280
Double scale
Find third proportional to 7,500 and 11,643
Similar ratio
Find third proportional to 11,247 and 17,460
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.