Home / 356,588.50-485,674.50

Finding the Third Proportional to 356,588.50 and 485,674.50

Calculator

Solution

The third proportional to 356,588.50 and 485,674.50 is: 661,489.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,588.50 : 485,674.50 = 485,674.50 : x
  2. Step 2: Convert to fraction form
    356,588.50/485,674.50 = 485,674.50/x
  3. Step 3: Cross multiply
    356,588.50x = 485,674.50 × 485,674.50
  4. Step 4: Simplify right side
    356,588.50x = 235,879,719,950.25
  5. Step 5: Solve for x
    x = 235,879,719,950.25/356,588.50
  6. Step 6: Final answer
    x = 661,489.98

Related Problems

Find third proportional to 178,294.25 and 242,837.25
Half scale
Find third proportional to 713,177 and 971,349
Double scale
Find third proportional to 356,591 and 485,677
Similar ratio
Find third proportional to 534,882.75 and 728,511.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.