Home / 78,000-117,703

Finding the Third Proportional to 78,000 and 117,703

Calculator

Solution

The third proportional to 78,000 and 117,703 is: 177,615.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,000 : 117,703 = 117,703 : x
  2. Step 2: Convert to fraction form
    78,000/117,703 = 117,703/x
  3. Step 3: Cross multiply
    78,000x = 117,703 × 117,703
  4. Step 4: Simplify right side
    78,000x = 13,853,996,209
  5. Step 5: Solve for x
    x = 13,853,996,209/78,000
  6. Step 6: Final answer
    x = 177,615.34

Related Problems

Find third proportional to 39,000 and 58,851.50
Half scale
Find third proportional to 156,000 and 235,406
Double scale
Find third proportional to 78,002 and 117,706
Similar ratio
Find third proportional to 117,000 and 176,554.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.