Home / 342,781-742,768

Finding the Third Proportional to 342,781 and 742,768

Calculator

Solution

The third proportional to 342,781 and 742,768 is: 1,609,494.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,781 : 742,768 = 742,768 : x
  2. Step 2: Convert to fraction form
    342,781/742,768 = 742,768/x
  3. Step 3: Cross multiply
    342,781x = 742,768 × 742,768
  4. Step 4: Simplify right side
    342,781x = 551,704,301,824
  5. Step 5: Solve for x
    x = 551,704,301,824/342,781
  6. Step 6: Final answer
    x = 1,609,494.99

Related Problems

Find third proportional to 171,390.50 and 371,384
Half scale
Find third proportional to 685,562 and 1,485,536
Double scale
Find third proportional to 342,783 and 742,772
Similar ratio
Find third proportional to 514,171.50 and 1,114,152
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.