Home / 189,270-284,695

Finding the Third Proportional to 189,270 and 284,695

Calculator

Solution

The third proportional to 189,270 and 284,695 is: 428,230.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,270 : 284,695 = 284,695 : x
  2. Step 2: Convert to fraction form
    189,270/284,695 = 284,695/x
  3. Step 3: Cross multiply
    189,270x = 284,695 × 284,695
  4. Step 4: Simplify right side
    189,270x = 81,051,243,025
  5. Step 5: Solve for x
    x = 81,051,243,025/189,270
  6. Step 6: Final answer
    x = 428,230.80

Related Problems

Find third proportional to 94,635 and 142,347.50
Half scale
Find third proportional to 378,540 and 569,390
Double scale
Find third proportional to 189,272 and 284,698
Similar ratio
Find third proportional to 283,905 and 427,042.50
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.