Home / 548.63-1,140.38

Finding the Third Proportional to 548.63 and 1,140.38

Calculator

Solution

The third proportional to 548.63 and 1,140.38 is: 2,370.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.63 : 1,140.38 = 1,140.38 : x
  2. Step 2: Convert to fraction form
    548.63/1,140.38 = 1,140.38/x
  3. Step 3: Cross multiply
    548.63x = 1,140.38 × 1,140.38
  4. Step 4: Simplify right side
    548.63x = 1,300,455.14
  5. Step 5: Solve for x
    x = 1,300,455.14/548.63
  6. Step 6: Final answer
    x = 2,370.39

Related Problems

Find third proportional to 274.31 and 570.19
Half scale
Find third proportional to 1,097.25 and 2,280.75
Double scale
Find third proportional to 551 and 1,145
Similar ratio
Find third proportional to 822.94 and 1,710.56
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.