Home / 51,744-77,918

Finding the Third Proportional to 51,744 and 77,918

Calculator

Solution

The third proportional to 51,744 and 77,918 is: 117,331.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,744 : 77,918 = 77,918 : x
  2. Step 2: Convert to fraction form
    51,744/77,918 = 77,918/x
  3. Step 3: Cross multiply
    51,744x = 77,918 × 77,918
  4. Step 4: Simplify right side
    51,744x = 6,071,214,724
  5. Step 5: Solve for x
    x = 6,071,214,724/51,744
  6. Step 6: Final answer
    x = 117,331.76

Related Problems

Find third proportional to 25,872 and 38,959
Half scale
Find third proportional to 103,488 and 155,836
Double scale
Find third proportional to 51,746 and 77,921
Similar ratio
Find third proportional to 77,616 and 116,877
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.