Home / 353,153-513,319

Finding the Third Proportional to 353,153 and 513,319

Calculator

Solution

The third proportional to 353,153 and 513,319 is: 746,125.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,153 : 513,319 = 513,319 : x
  2. Step 2: Convert to fraction form
    353,153/513,319 = 513,319/x
  3. Step 3: Cross multiply
    353,153x = 513,319 × 513,319
  4. Step 4: Simplify right side
    353,153x = 263,496,395,761
  5. Step 5: Solve for x
    x = 263,496,395,761/353,153
  6. Step 6: Final answer
    x = 746,125.32

Related Problems

Find third proportional to 176,576.50 and 256,659.50
Half scale
Find third proportional to 706,306 and 1,026,638
Double scale
Find third proportional to 353,155 and 513,322
Similar ratio
Find third proportional to 529,729.50 and 769,978.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.