Home / 78,896-107,788

Finding the Third Proportional to 78,896 and 107,788

Calculator

Solution

The third proportional to 78,896 and 107,788 is: 147,260.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,896 : 107,788 = 107,788 : x
  2. Step 2: Convert to fraction form
    78,896/107,788 = 107,788/x
  3. Step 3: Cross multiply
    78,896x = 107,788 × 107,788
  4. Step 4: Simplify right side
    78,896x = 11,618,252,944
  5. Step 5: Solve for x
    x = 11,618,252,944/78,896
  6. Step 6: Final answer
    x = 147,260.35

Related Problems

Find third proportional to 39,448 and 53,894
Half scale
Find third proportional to 157,792 and 215,576
Double scale
Find third proportional to 78,898 and 107,791
Similar ratio
Find third proportional to 118,344 and 161,682
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.