Home / 51,960-78,600

Finding the Third Proportional to 51,960 and 78,600

Calculator

Solution

The third proportional to 51,960 and 78,600 is: 118,898.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,960 : 78,600 = 78,600 : x
  2. Step 2: Convert to fraction form
    51,960/78,600 = 78,600/x
  3. Step 3: Cross multiply
    51,960x = 78,600 × 78,600
  4. Step 4: Simplify right side
    51,960x = 6,177,960,000
  5. Step 5: Solve for x
    x = 6,177,960,000/51,960
  6. Step 6: Final answer
    x = 118,898.38

Related Problems

Find third proportional to 25,980 and 39,300
Half scale
Find third proportional to 103,920 and 157,200
Double scale
Find third proportional to 51,962 and 78,603
Similar ratio
Find third proportional to 77,940 and 117,900
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.