Home / 51,964-78,320

Finding the Third Proportional to 51,964 and 78,320

Calculator

Solution

The third proportional to 51,964 and 78,320 is: 118,043.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,964 : 78,320 = 78,320 : x
  2. Step 2: Convert to fraction form
    51,964/78,320 = 78,320/x
  3. Step 3: Cross multiply
    51,964x = 78,320 × 78,320
  4. Step 4: Simplify right side
    51,964x = 6,134,022,400
  5. Step 5: Solve for x
    x = 6,134,022,400/51,964
  6. Step 6: Final answer
    x = 118,043.69

Related Problems

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.