Home / 142,346-306,130

Finding the Third Proportional to 142,346 and 306,130

Calculator

Solution

The third proportional to 142,346 and 306,130 is: 658,364.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,346 : 306,130 = 306,130 : x
  2. Step 2: Convert to fraction form
    142,346/306,130 = 306,130/x
  3. Step 3: Cross multiply
    142,346x = 306,130 × 306,130
  4. Step 4: Simplify right side
    142,346x = 93,715,576,900
  5. Step 5: Solve for x
    x = 93,715,576,900/142,346
  6. Step 6: Final answer
    x = 658,364.67

Related Problems

Find third proportional to 71,173 and 153,065
Half scale
Find third proportional to 284,692 and 612,260
Double scale
Find third proportional to 142,348 and 306,134
Similar ratio
Find third proportional to 213,519 and 459,195
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.