Home / 189,355.50-284,520

Finding the Third Proportional to 189,355.50 and 284,520

Calculator

Solution

The third proportional to 189,355.50 and 284,520 is: 427,511.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,355.50 : 284,520 = 284,520 : x
  2. Step 2: Convert to fraction form
    189,355.50/284,520 = 284,520/x
  3. Step 3: Cross multiply
    189,355.50x = 284,520 × 284,520
  4. Step 4: Simplify right side
    189,355.50x = 80,951,630,400
  5. Step 5: Solve for x
    x = 80,951,630,400/189,355.50
  6. Step 6: Final answer
    x = 427,511.38

Related Problems

Find third proportional to 94,677.75 and 142,260
Half scale
Find third proportional to 378,711 and 569,040
Double scale
Find third proportional to 189,358 and 284,523
Similar ratio
Find third proportional to 284,033.25 and 426,780
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.