Home / 142,144-306,430.50

Finding the Third Proportional to 142,144 and 306,430.50

Calculator

Solution

The third proportional to 142,144 and 306,430.50 is: 660,595.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,144 : 306,430.50 = 306,430.50 : x
  2. Step 2: Convert to fraction form
    142,144/306,430.50 = 306,430.50/x
  3. Step 3: Cross multiply
    142,144x = 306,430.50 × 306,430.50
  4. Step 4: Simplify right side
    142,144x = 93,899,651,330.25
  5. Step 5: Solve for x
    x = 93,899,651,330.25/142,144
  6. Step 6: Final answer
    x = 660,595.25

Related Problems

Find third proportional to 71,072 and 153,215.25
Half scale
Find third proportional to 284,288 and 612,861
Double scale
Find third proportional to 142,146 and 306,435
Similar ratio
Find third proportional to 213,216 and 459,645.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.