Home / 235,410-355,315

Finding the Third Proportional to 235,410 and 355,315

Calculator

Solution

The third proportional to 235,410 and 355,315 is: 536,293.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,410 : 355,315 = 355,315 : x
  2. Step 2: Convert to fraction form
    235,410/355,315 = 355,315/x
  3. Step 3: Cross multiply
    235,410x = 355,315 × 355,315
  4. Step 4: Simplify right side
    235,410x = 126,248,749,225
  5. Step 5: Solve for x
    x = 126,248,749,225/235,410
  6. Step 6: Final answer
    x = 536,293.06

Related Problems

Find third proportional to 117,705 and 177,657.50
Half scale
Find third proportional to 470,820 and 710,630
Double scale
Find third proportional to 235,412 and 355,318
Similar ratio
Find third proportional to 353,115 and 532,972.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.