Home / 109,410-156,447

Finding the Third Proportional to 109,410 and 156,447

Calculator

Solution

The third proportional to 109,410 and 156,447 is: 223,705.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,410 : 156,447 = 156,447 : x
  2. Step 2: Convert to fraction form
    109,410/156,447 = 156,447/x
  3. Step 3: Cross multiply
    109,410x = 156,447 × 156,447
  4. Step 4: Simplify right side
    109,410x = 24,475,663,809
  5. Step 5: Solve for x
    x = 24,475,663,809/109,410
  6. Step 6: Final answer
    x = 223,705.91

Related Problems

Find third proportional to 54,705 and 78,223.50
Half scale
Find third proportional to 218,820 and 312,894
Double scale
Find third proportional to 109,412 and 156,450
Similar ratio
Find third proportional to 164,115 and 234,670.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.