Home / 51,321-76,776

Finding the Third Proportional to 51,321 and 76,776

Calculator

Solution

The third proportional to 51,321 and 76,776 is: 114,856.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,321 : 76,776 = 76,776 : x
  2. Step 2: Convert to fraction form
    51,321/76,776 = 76,776/x
  3. Step 3: Cross multiply
    51,321x = 76,776 × 76,776
  4. Step 4: Simplify right side
    51,321x = 5,894,554,176
  5. Step 5: Solve for x
    x = 5,894,554,176/51,321
  6. Step 6: Final answer
    x = 114,856.57

Related Problems

Find third proportional to 25,660.50 and 38,388
Half scale
Find third proportional to 102,642 and 153,552
Double scale
Find third proportional to 51,323 and 76,779
Similar ratio
Find third proportional to 76,981.50 and 115,164
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.