Home / 355.78-741.94

Finding the Third Proportional to 355.78 and 741.94

Calculator

Solution

The third proportional to 355.78 and 741.94 is: 1,547.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.78 : 741.94 = 741.94 : x
  2. Step 2: Convert to fraction form
    355.78/741.94 = 741.94/x
  3. Step 3: Cross multiply
    355.78x = 741.94 × 741.94
  4. Step 4: Simplify right side
    355.78x = 550,471.25
  5. Step 5: Solve for x
    x = 550,471.25/355.78
  6. Step 6: Final answer
    x = 1,547.22

Related Problems

Find third proportional to 177.89 and 370.97
Half scale
Find third proportional to 711.56 and 1,483.88
Double scale
Find third proportional to 358 and 746
Similar ratio
Find third proportional to 533.67 and 1,112.91
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.