Home / 253,313-395,305.50

Finding the Third Proportional to 253,313 and 395,305.50

Calculator

Solution

The third proportional to 253,313 and 395,305.50 is: 616,890.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,313 : 395,305.50 = 395,305.50 : x
  2. Step 2: Convert to fraction form
    253,313/395,305.50 = 395,305.50/x
  3. Step 3: Cross multiply
    253,313x = 395,305.50 × 395,305.50
  4. Step 4: Simplify right side
    253,313x = 156,266,438,330.25
  5. Step 5: Solve for x
    x = 156,266,438,330.25/253,313
  6. Step 6: Final answer
    x = 616,890.72

Related Problems

Find third proportional to 126,656.50 and 197,652.75
Half scale
Find third proportional to 506,626 and 790,611
Double scale
Find third proportional to 253,315 and 395,309
Similar ratio
Find third proportional to 379,969.50 and 592,958.25
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.