Home / 306,072-430,255.50

Finding the Third Proportional to 306,072 and 430,255.50

Calculator

Solution

The third proportional to 306,072 and 430,255.50 is: 604,824.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,072 : 430,255.50 = 430,255.50 : x
  2. Step 2: Convert to fraction form
    306,072/430,255.50 = 430,255.50/x
  3. Step 3: Cross multiply
    306,072x = 430,255.50 × 430,255.50
  4. Step 4: Simplify right side
    306,072x = 185,119,795,280.25
  5. Step 5: Solve for x
    x = 185,119,795,280.25/306,072
  6. Step 6: Final answer
    x = 604,824.34

Related Problems

Find third proportional to 153,036 and 215,127.75
Half scale
Find third proportional to 612,144 and 860,511
Double scale
Find third proportional to 306,074 and 430,258
Similar ratio
Find third proportional to 459,108 and 645,383.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.