Home / 7,486-8,290

Finding the Third Proportional to 7,486 and 8,290

Calculator

Solution

The third proportional to 7,486 and 8,290 is: 9,180.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486 : 8,290 = 8,290 : x
  2. Step 2: Convert to fraction form
    7,486/8,290 = 8,290/x
  3. Step 3: Cross multiply
    7,486x = 8,290 × 8,290
  4. Step 4: Simplify right side
    7,486x = 68,724,100
  5. Step 5: Solve for x
    x = 68,724,100/7,486
  6. Step 6: Final answer
    x = 9,180.35

Related Problems

Find third proportional to 3,743 and 4,145
Half scale
Find third proportional to 14,972 and 16,580
Double scale
Find third proportional to 7,488 and 8,292
Similar ratio
Find third proportional to 11,229 and 12,435
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.