Home / 7,786-8,938

Finding the Third Proportional to 7,786 and 8,938

Calculator

Solution

The third proportional to 7,786 and 8,938 is: 10,260.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786 : 8,938 = 8,938 : x
  2. Step 2: Convert to fraction form
    7,786/8,938 = 8,938/x
  3. Step 3: Cross multiply
    7,786x = 8,938 × 8,938
  4. Step 4: Simplify right side
    7,786x = 79,887,844
  5. Step 5: Solve for x
    x = 79,887,844/7,786
  6. Step 6: Final answer
    x = 10,260.45

Related Problems

Find third proportional to 3,893 and 4,469
Half scale
Find third proportional to 15,572 and 17,876
Double scale
Find third proportional to 7,788 and 8,940
Similar ratio
Find third proportional to 11,679 and 13,407
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.