Home / 229,689-487,179

Finding the Third Proportional to 229,689 and 487,179

Calculator

Solution

The third proportional to 229,689 and 487,179 is: 1,033,324.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,689 : 487,179 = 487,179 : x
  2. Step 2: Convert to fraction form
    229,689/487,179 = 487,179/x
  3. Step 3: Cross multiply
    229,689x = 487,179 × 487,179
  4. Step 4: Simplify right side
    229,689x = 237,343,378,041
  5. Step 5: Solve for x
    x = 237,343,378,041/229,689
  6. Step 6: Final answer
    x = 1,033,324.97

Related Problems

Find third proportional to 114,844.50 and 243,589.50
Half scale
Find third proportional to 459,378 and 974,358
Double scale
Find third proportional to 229,691 and 487,183
Similar ratio
Find third proportional to 344,533.50 and 730,768.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.