Home / 55,412-77,754

Finding the Third Proportional to 55,412 and 77,754

Calculator

Solution

The third proportional to 55,412 and 77,754 is: 109,104.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,412 : 77,754 = 77,754 : x
  2. Step 2: Convert to fraction form
    55,412/77,754 = 77,754/x
  3. Step 3: Cross multiply
    55,412x = 77,754 × 77,754
  4. Step 4: Simplify right side
    55,412x = 6,045,684,516
  5. Step 5: Solve for x
    x = 6,045,684,516/55,412
  6. Step 6: Final answer
    x = 109,104.25

Related Problems

Find third proportional to 27,706 and 38,877
Half scale
Find third proportional to 110,824 and 155,508
Double scale
Find third proportional to 55,414 and 77,757
Similar ratio
Find third proportional to 83,118 and 116,631
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.