Home / 490,070-735,305

Finding the Third Proportional to 490,070 and 735,305

Calculator

Solution

The third proportional to 490,070 and 735,305 is: 1,103,257.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,070 : 735,305 = 735,305 : x
  2. Step 2: Convert to fraction form
    490,070/735,305 = 735,305/x
  3. Step 3: Cross multiply
    490,070x = 735,305 × 735,305
  4. Step 4: Simplify right side
    490,070x = 540,673,443,025
  5. Step 5: Solve for x
    x = 540,673,443,025/490,070
  6. Step 6: Final answer
    x = 1,103,257.58

Related Problems

Find third proportional to 245,035 and 367,652.50
Half scale
Find third proportional to 980,140 and 1,470,610
Double scale
Find third proportional to 490,072 and 735,308
Similar ratio
Find third proportional to 735,105 and 1,102,957.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.