Home / 283,590-425,385

Finding the Third Proportional to 283,590 and 425,385

Calculator

Solution

The third proportional to 283,590 and 425,385 is: 638,077.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,590 : 425,385 = 425,385 : x
  2. Step 2: Convert to fraction form
    283,590/425,385 = 425,385/x
  3. Step 3: Cross multiply
    283,590x = 425,385 × 425,385
  4. Step 4: Simplify right side
    283,590x = 180,952,398,225
  5. Step 5: Solve for x
    x = 180,952,398,225/283,590
  6. Step 6: Final answer
    x = 638,077.50

Related Problems

Find third proportional to 141,795 and 212,692.50
Half scale
Find third proportional to 567,180 and 850,770
Double scale
Find third proportional to 283,592 and 425,388
Similar ratio
Find third proportional to 425,385 and 638,077.50
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.