Home / 142,489-222,359.75

Finding the Third Proportional to 142,489 and 222,359.75

Calculator

Solution

The third proportional to 142,489 and 222,359.75 is: 347,001.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,489 : 222,359.75 = 222,359.75 : x
  2. Step 2: Convert to fraction form
    142,489/222,359.75 = 222,359.75/x
  3. Step 3: Cross multiply
    142,489x = 222,359.75 × 222,359.75
  4. Step 4: Simplify right side
    142,489x = 49,443,858,420.06
  5. Step 5: Solve for x
    x = 49,443,858,420.06/142,489
  6. Step 6: Final answer
    x = 347,001.23

Related Problems

Find third proportional to 71,244.50 and 111,179.88
Half scale
Find third proportional to 284,978 and 444,719.50
Double scale
Find third proportional to 142,491 and 222,363
Similar ratio
Find third proportional to 213,733.50 and 333,539.63
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.