Home / 273,090-417,951

Finding the Third Proportional to 273,090 and 417,951

Calculator

Solution

The third proportional to 273,090 and 417,951 is: 639,653.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,090 : 417,951 = 417,951 : x
  2. Step 2: Convert to fraction form
    273,090/417,951 = 417,951/x
  3. Step 3: Cross multiply
    273,090x = 417,951 × 417,951
  4. Step 4: Simplify right side
    273,090x = 174,683,038,401
  5. Step 5: Solve for x
    x = 174,683,038,401/273,090
  6. Step 6: Final answer
    x = 639,653.73

Related Problems

Find third proportional to 136,545 and 208,975.50
Half scale
Find third proportional to 546,180 and 835,902
Double scale
Find third proportional to 273,092 and 417,954
Similar ratio
Find third proportional to 409,635 and 626,926.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.