Home / 77,890-116,703

Finding the Third Proportional to 77,890 and 116,703

Calculator

Solution

The third proportional to 77,890 and 116,703 is: 174,856.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,890 : 116,703 = 116,703 : x
  2. Step 2: Convert to fraction form
    77,890/116,703 = 116,703/x
  3. Step 3: Cross multiply
    77,890x = 116,703 × 116,703
  4. Step 4: Simplify right side
    77,890x = 13,619,590,209
  5. Step 5: Solve for x
    x = 13,619,590,209/77,890
  6. Step 6: Final answer
    x = 174,856.72

Related Problems

Find third proportional to 38,945 and 58,351.50
Half scale
Find third proportional to 155,780 and 233,406
Double scale
Find third proportional to 77,892 and 116,706
Similar ratio
Find third proportional to 116,835 and 175,054.50
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.