Home / 438,009-484,089

Finding the Third Proportional to 438,009 and 484,089

Calculator

Solution

The third proportional to 438,009 and 484,089 is: 535,016.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,009 : 484,089 = 484,089 : x
  2. Step 2: Convert to fraction form
    438,009/484,089 = 484,089/x
  3. Step 3: Cross multiply
    438,009x = 484,089 × 484,089
  4. Step 4: Simplify right side
    438,009x = 234,342,159,921
  5. Step 5: Solve for x
    x = 234,342,159,921/438,009
  6. Step 6: Final answer
    x = 535,016.77

Related Problems

Find third proportional to 219,004.50 and 242,044.50
Half scale
Find third proportional to 876,018 and 968,178
Double scale
Find third proportional to 438,011 and 484,091
Similar ratio
Find third proportional to 657,013.50 and 726,133.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.