Home / 336,776-720,247

Finding the Third Proportional to 336,776 and 720,247

Calculator

Solution

The third proportional to 336,776 and 720,247 is: 1,540,358.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,776 : 720,247 = 720,247 : x
  2. Step 2: Convert to fraction form
    336,776/720,247 = 720,247/x
  3. Step 3: Cross multiply
    336,776x = 720,247 × 720,247
  4. Step 4: Simplify right side
    336,776x = 518,755,741,009
  5. Step 5: Solve for x
    x = 518,755,741,009/336,776
  6. Step 6: Final answer
    x = 1,540,358.40

Related Problems

Find third proportional to 168,388 and 360,123.50
Half scale
Find third proportional to 673,552 and 1,440,494
Double scale
Find third proportional to 336,778 and 720,251
Similar ratio
Find third proportional to 505,164 and 1,080,370.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.