Home / 306,576-457,976

Finding the Third Proportional to 306,576 and 457,976

Calculator

Solution

The third proportional to 306,576 and 457,976 is: 684,143.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,576 : 457,976 = 457,976 : x
  2. Step 2: Convert to fraction form
    306,576/457,976 = 457,976/x
  3. Step 3: Cross multiply
    306,576x = 457,976 × 457,976
  4. Step 4: Simplify right side
    306,576x = 209,742,016,576
  5. Step 5: Solve for x
    x = 209,742,016,576/306,576
  6. Step 6: Final answer
    x = 684,143.63

Related Problems

Find third proportional to 153,288 and 228,988
Half scale
Find third proportional to 613,152 and 915,952
Double scale
Find third proportional to 306,578 and 457,979
Similar ratio
Find third proportional to 459,864 and 686,964
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.