Home / 51,428-75,360

Finding the Third Proportional to 51,428 and 75,360

Calculator

Solution

The third proportional to 51,428 and 75,360 is: 110,428.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,428 : 75,360 = 75,360 : x
  2. Step 2: Convert to fraction form
    51,428/75,360 = 75,360/x
  3. Step 3: Cross multiply
    51,428x = 75,360 × 75,360
  4. Step 4: Simplify right side
    51,428x = 5,679,129,600
  5. Step 5: Solve for x
    x = 5,679,129,600/51,428
  6. Step 6: Final answer
    x = 110,428.75

Related Problems

Find third proportional to 25,714 and 37,680
Half scale
Find third proportional to 102,856 and 150,720
Double scale
Find third proportional to 51,430 and 75,363
Similar ratio
Find third proportional to 77,142 and 113,040
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.