Home / 291,179-617,350

Finding the Third Proportional to 291,179 and 617,350

Calculator

Solution

The third proportional to 291,179 and 617,350 is: 1,308,889.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,179 : 617,350 = 617,350 : x
  2. Step 2: Convert to fraction form
    291,179/617,350 = 617,350/x
  3. Step 3: Cross multiply
    291,179x = 617,350 × 617,350
  4. Step 4: Simplify right side
    291,179x = 381,121,022,500
  5. Step 5: Solve for x
    x = 381,121,022,500/291,179
  6. Step 6: Final answer
    x = 1,308,889.11

Related Problems

Find third proportional to 145,589.50 and 308,675
Half scale
Find third proportional to 582,358 and 1,234,700
Double scale
Find third proportional to 291,181 and 617,354
Similar ratio
Find third proportional to 436,768.50 and 926,025
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.