Home / 279,730-433,932

Finding the Third Proportional to 279,730 and 433,932

Calculator

Solution

The third proportional to 279,730 and 433,932 is: 673,138.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,730 : 433,932 = 433,932 : x
  2. Step 2: Convert to fraction form
    279,730/433,932 = 433,932/x
  3. Step 3: Cross multiply
    279,730x = 433,932 × 433,932
  4. Step 4: Simplify right side
    279,730x = 188,296,980,624
  5. Step 5: Solve for x
    x = 188,296,980,624/279,730
  6. Step 6: Final answer
    x = 673,138.31

Related Problems

Find third proportional to 139,865 and 216,966
Half scale
Find third proportional to 559,460 and 867,864
Double scale
Find third proportional to 279,732 and 433,935
Similar ratio
Find third proportional to 419,595 and 650,898
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.