Home / 135,744-207,648

Finding the Third Proportional to 135,744 and 207,648

Calculator

Solution

The third proportional to 135,744 and 207,648 is: 317,639.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,744 : 207,648 = 207,648 : x
  2. Step 2: Convert to fraction form
    135,744/207,648 = 207,648/x
  3. Step 3: Cross multiply
    135,744x = 207,648 × 207,648
  4. Step 4: Simplify right side
    135,744x = 43,117,691,904
  5. Step 5: Solve for x
    x = 43,117,691,904/135,744
  6. Step 6: Final answer
    x = 317,639.76

Related Problems

Find third proportional to 67,872 and 103,824
Half scale
Find third proportional to 271,488 and 415,296
Double scale
Find third proportional to 135,746 and 207,651
Similar ratio
Find third proportional to 203,616 and 311,472
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.